IN STOCK

Basic Information

• Case size (L× W× H): 47 × 40 × 11 mm
• Weight: 136 g
• Case and bezel material: Stainless steel
• Band:
  • Stainless Steel Band
  • Solid Band
  • One-touch 3-fold Clasp
• Water resistance: 100-meter water resistance
• Power supply and battery life:  Approx. battery life: 3 years on SR920SW

• Country Of Origin: China

Exterior

• Glass: Sapphire Crystal
• Back Plate: Screw Lock Back

• Compatible Band Size: 150 to 205 mm

Watch Features

Stopwatch

• 1/100-second stopwatch
• Measuring capacity:
  • 59'59''
• Measuring modes:
  • Elapsed time,
  • Split time
  • 1st-2nd place times

Other Features

• Regular timekeeping:
  • Analog: 3 hands (hour, minute, second), 3 dials (24-hour, stopwatch minutes, stopwatch seconds)
• Date Display

Basic Information

• Case size (L× W× H): 47 × 40 × 11 mm
• Weight: 136 g
• Case and bezel material: Stainless steel
• Band:
  • Stainless Steel Band
  • Solid Band
  • One-touch 3-fold Clasp
• Water resistance: 100-meter water resistance
• Power supply and battery life:  Approx. battery life: 3 years on SR920SW

• Country Of Origin: China

Exterior

• Glass: Sapphire Crystal
• Back Plate: Screw Lock Back

• Compatible Band Size: 150 to 205 mm

Watch Features

Stopwatch

• 1/100-second stopwatch
• Measuring capacity:
  • 59'59''
• Measuring modes:
  • Elapsed time,
  • Split time
  • 1st-2nd place times

Other Features

• Regular timekeeping:
  • Analog: 3 hands (hour, minute, second), 3 dials (24-hour, stopwatch minutes, stopwatch seconds)
• Date Display

Basic Information

• Case size (L× W× H): 51.5 × 47.6 × 13.2 mm
• Weight: 53 g
• Case and bezel material: Resin / Aluminum
• Band:
  • Leather/Cloth Bands
• Water resistance: 200-meter water resistance
• Power supply and battery life:  Approx. battery life: 3 years on CR2025
  
• Environmental resistance: Low-temperature resistant (-10℃/14℉)
• Sensor Feature:
  • Digital compass
    
  • Measures and displays direction as one of 16 points
    
  • Measuring range: 0 to 359°
    
  • Measuring unit: 1°
    
  • 10 seconds continuous measurement
    
  • Graphic direction pointer
    
  • Bearing sensor correction
    
  • Magnetic declination correction
    
  • Thermometer
    
  • Display range: -10 to 60℃ (14 to 140℉)
    
  • Display unit: 0.1℃ (0.2℉)
    
  • *Changeover between Celsius (℃) and Fahrenheit (℉)

Exterior

• Glass: Mineral Glass
• Bezel Features: Direction Bezel

Watch Features

World Time

• World time
• 29 time zones (48 cities), city code display, daylight saving on/off

Stopwatch

• 1/100-second stopwatch
• Measuring capacity:
  • 59'59.99''
• Measuring modes:
  • Elapsed time,
  • Split time
  • 1st-2nd place times

Timer

• Countdown timer
  
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-hour increments and 1-minute increments)
  
• Other: Auto-repeat

Alarm / Hourly Time Signal

• Daily alarms 
• 5 independent daily alarms (4 one-time alarms and 1 snooze alarm)
• Hourly time signal

Light

• Electro-luminescent backlight
• Afterglow

• Light Color: EL:Blue Green

Calendar

• Full auto-calendar (to year 2099)
  

Mute feature

• Button operation tone on/off
  

Other Features

• 12/24-hour format
• Regular timekeeping:
  • Hour, minute, second, pm, year, month, date, day

Basic Information

• Case size (L× W× H): 51.5 × 47.6 × 13.2 mm
• Weight: 55 g
• Case and bezel material: Resin / Aluminum
• Band:
  • Resin Band
• Water resistance: 200-meter water resistance
• Power supply and battery life: Approx. battery life: 3 years on CR2025
• Environmental resistance: Low-temperature resistant (-10℃/14℉)
• Sensor Feature:
  • Digital compass
    
  • Measures and displays direction as one of 16 points
    
  • Measuring range: 0 to 359°
    
  • Measuring unit: 1°
    
  • 10 seconds continuous measurement
    
  • Graphic direction pointer
    
  • Bearing sensor correction
    
  • Magnetic declination correction
    
  • Thermometer
    
  • Display range: -10 to 60℃ (14 to 140℉)
    
  • Display unit: 0.1℃ (0.2℉)
    
  • *Changeover between Celsius (℃) and Fahrenheit (℉)

Exterior

• Glass: Mineral Glass
• Bezel Features: Direction Bezel
• Compatible Band Size: 145 to 215 mm

Watch Features

World Time

• World time
• 29 time zones (48 cities), city code display, daylight saving on/off

Stopwatch

• 1/100-second stopwatch
• Measuring capacity:
  • 59'59.99''
• Measuring modes:
  • Elapsed time,
  • Split time
  • 1st-2nd place times

Timer

• Countdown timer
  
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-hour increments and 1-minute increments)
  
• Other: Auto-repeat

Alarm / Hourly Time Signal

• Daily alarms 
• 5 independent daily alarms (4 one-time alarms and 1 snooze alarm)
• Hourly time signal

Light

• Electro-luminescent backlight
• Afterglow

• Light color: EL:Blue Green

Calendar

• Full auto-calendar (to year 2099)
  

Mute feature

• Button operation tone on/off
  

Other Features

• 12/24-hour format
• Regular timekeeping:
  • Hour, minute, second, pm, year, month, date, day

Basic Information

• Case size (L× W× H): 53.2 × 50 × 17.7 mm
• Weight: 63 g
• Case and bezel material: Resin
• Band:
  • Resin Band
• Construction: Shock Resistant
• Water resistance: 200-meter water resistance
• Power supply and battery life: Tough Solar (Solar powered)
• Time adjustment:
  • Radio-controlled Watch; Multi band 6

Exterior

• Glass: Mineral Glass

Watch Features

World Time

• World time
• 31 time zones (48 cities + coordinated universal time), city code display, daylight saving on/off

Stopwatch

• 1/100-second stopwatch
• Measuring capacity:
  • 23:59'59.99'
• Measuring modes:
  • Elapsed time,
  • Split time
  • 1st-2nd place times

Timer

• Countdown timer
  
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
  

Alarm / Hourly Time Signal

• Daily alarms (4 alarms and 1 snooze alarm)
• Hourly time signal

Light

• Electro-luminescent backlight
• Full auto EL light, afterglow

• Light color: EL:Blue Green

Calendar

• Full auto-calendar (to year 2099)
  

Mute feature

• Button operation tone on/off
  

Energy Saving Feature

• Power Saving (display goes blank to save power when the watch is left in the dark)

Battery Display/Alert

• Battery level indicator

Other Features

• 12/24-hour format
• Regular timekeeping:
  • Hour, minute, second, pm, month, date, day

Time Adjustment Details

• Time Calibration Signals
  
• Station Name: DCF77 (Mainflingen, Germany)
  
• Frequency: 77.5 kHz
  
• Station Name: MSF (Anthorn, England)
  
• Frequency: 60.0 kHz
  
• Station Name: WWVB (Fort Collins, United States)
  
• Frequency: 60.0 kHz
  
• Station Name: JJY (Fukushima, Fukuoka/Saga, Japan)
  
• Frequency: 40.0 kHz (Fukushima) / 60.0 kHz (Fukuoka/Saga)
  
• Station Name: BPC (Shangqiu City, Henan Province, China)
  
• Frequency: 68.5 kHz
  
• Time calibration signal reception
  Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful)
  
• *5 times a day for the Chinese calibration signal
  
• Manual receive
  
• The latest signal reception results
  

In celebration of Seiko’s 145th anniversary, a special limited-edition model tracing Seiko’s legacy is now available.

In 2026, Seiko will celebrate its 145th anniversary. Since its founding in 1881, the company has viewed watches as a potential solution to social challenges, consistently pursuing innovation while upholding founder Kintaro Hattori's philosophy to be “always one step ahead of the rest."

This new GPS Solar Dual-Time Chronograph celebrates Astron's spirit of innovation. Symbolizing success and prosperity, gold-colored accents grace every part of the watch, from the dial and bracelet to the case.

The bezel features a gold-colored sapphire crystal insert that adds depth and dimension. Even the gold-colored markings at 1, 4, and 5 on the UTC scale offer a subtle tribute to the 145th anniversary.

Specifications

Movement

• Caliber Number: 5X83
• Movement Type: GPS solar
• Precision: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
• Power reserve: Operating for approx. 6 months (when fully charged), power save: approx. 2 years
• Jewels: 14
• Functions:
  
  • Overcharge prevention function
    
  • Power save function
    
  • Chronograph up to 12 hours in 1/20 second increments
    
  • Perpetual calendar to the february 28, 2100
    
  • World time function (38 cities)
    
  • Dual-time function
    
  • Day display
    
  • Power reserve indicator
    
  • Time transfer function (Switching between the main-dial and sub-dial)
    
  • GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment)
    
  • Satellite acquisition status display function
    
  • Reception result display function
    
  • DST (Daylight Saving Time)
    
  • Function to prevent the GPS signal reception (in-flight mode)
    
  • Automatic hand position alignment function
    

Case/Band

• Case Material: Titanium (super-hard coating)
  
• Case Size:
  
  • Thickness: 14.4mm
    
  • Diameter: 44.1mm
    
  • Lug-to-lug: 50.0mm
    
• Crystal: Dual-curved sapphire crystal
  
• Crystal Coating: Super-clear coating
  
• Clasp: Three-fold clasp with push button release
  
• Bracelet Length: 190.0
  
• Distance between lugs: 14

Other Details

• Water Resistance: 10 bar
  
• Magnetic Resistance: 4,800 A/m
  
• Features:
  
  • LIMITED EDITION on the case back
    
  • Serial number engraved on the case back
    
  • Against an allergic reaction to nickel
    
  • Clasp with Smart Adjuster function
    
  • Screw case back

Movement

• Calibre Number: 2R06
  
• Movement Type: Automatic with manual winding
  
• Power reserve: Approx. 40 hours
  
• Jewels: 21
  
• Functions:
  
  • Stop second hand function

Case/Band

• Case Material: Stainless steel
  
• Crystal: Curved Hardlex
  
• LumiBrite: Lumibrite on hands and index(es)
  
• Clasp: Three-fold clasp with push button release
  
• Bracelet Length: 185.0mm
  
• Distance between lugs: 15mm
• Case Size:
  • Thickness:11.4mm
    
  • Diameter:32.0mm
    
  • Lug-to-lug:38.7mm 

Other Details

• Water Resistance: 10 bar
• Weight: 90.0g
  
• Features:
  • Screw case back

Movement

• Calibre Number: 2R06
  
• Movement Type: Automatic with manual winding
  
• Power reserve: Approx. 40 hours
  
• Jewels: 21
  
• Functions:
  
  • Stop second hand function

Case/Band

• Case Material: Stainless steel
  
• Crystal: Curved Hardlex
  
• LumiBrite: LumiBrite on hands and index(es)
  
• Clasp: Three-fold clasp with push button release
  
• Bracelet Length: 185.0
  
• Distance between lugs: 15
• Case Size:
  • Thickness:11.4mm
    
  • Diameter:32.0mm
    
  • Lug-to-lug:38.7mm 

Other Details

• Water Resistance: 10 bar
  
• Magnetic Resistance: 4,800 A/m
  
• Weight: 90.0
  
• Features:
  • Screw case back

Movement

• Calibre Number: 2R06
  
• Movement Type: Automatic with manual winding
  
• Power reserve: Approx. 40 hours
  
• Jewels: 21
  
• Functions:
  
  • Stop second hand function

Case/Band

• Case Material: Stainless steel
  
• Crystal: Curved Hardlex
  
• LumiBrite: LumiBrite on hands and index(es)
  
• Clasp: Three-fold clasp with push button release
  
• Bracelet Length: 185.0
  
• Distance between lugs: 15
• Case Size:
  • Thickness:11.4mm
    
  • Diameter:32.0mm
    
  • Lug-to-lug:38.7mm 

Other Details

• Water Resistance: 10 bar
  
• Magnetic Resistance: 4,800 A/m
  
• Weight: 90.0
  
• Features:
  • Screw case back

The TSUYOSA Automatic, from the NJ020 series, brings ultramodern sports styling right to your wrist. Executed in a versatile 37mm footprint, the sophisticated design of the watch delivers a strong impression via a silver-tone stainless steel case and a seamlessly integrated, matching bracelet. Underneath an anti-reflective sapphire crystal, the sporty timepiece makes use of a sunray purple dial, with a 3 o’clock date window and complementing silver-tone details adding to its eye-catching configuration. Powered by an automatic movement with a 42-hour power reserve and offering up to 50 meters of water resistance, the refined timepiece is a daily-wear choice ready for work, play, and everything in between. Caliber 8210.

The new model is based on a classic digital watch design from 1982 known as the Rotocall. This iconic creation featured a distinctive octagonal rotary switch that revolutionized the way users changed modes by simply rotating the bezel. The unique design, along with its popularity among astronauts, contributed to this model’s strong international recognition.

The new model is based on a classic digital watch design from 1982 known as the Rotocall. This iconic creation featured a distinctive octagonal rotary switch that revolutionized the way users changed modes by simply rotating the bezel. The unique design, along with its popularity among astronauts, contributed to this model’s strong international recognition.

The new model is based on a classic digital watch design from 1982 known as the Rotocall. This iconic creation featured a distinctive octagonal rotary switch that revolutionized the way users changed modes by simply rotating the bezel. The unique design, along with its popularity among astronauts, contributed to this model’s strong international recognition.

COMPLETELY REDESIGNED CASE

COMPLETELY REDESIGNED CASE

Smart and stylish, sleek and sophisticated — a GBM-2100 with bold metal bezel that delivers Smartphone Link and Tough Solar charging system, all in the same compact size. Key resin components used in the case and band are made with environmentally responsible bio-based resin. Choose your favorite color combination of vapor deposition finishes — the GBM-2100A-2B with blue dial and silvery indexes, the GBM-2100A-4B with burgundy dial and silvery indexes, or the GBM-2100A-8B with light yellow gold-colored dial and black accented indexes. Tough construction and stylish design in a timepiece that takes you from casual settings to business meetings with ease.

From the Alpinist collection, first launched in 1959, these watches were designed for Japanese ‘Yama-otoko’ mountain men to be reliably rugged in treacherous terrain.

Under the sapphire crystal glass, the archive-inspired black dial is complemented by ‘cathedral style’ hour and minute hands, accompanied by classic Arabic numerals and wedge-shaped indices. It features the traditional Alpinist logo under the Seiko logo, which featured on the very first 1950s Laurel Alpinist. The ‘Mountain Device’ logo features on the caseback of these watches, an aspect of the vintage original indicating the field nature of the watch. The case has an applied super-hard coating for increased scratch resistance and shine.

Through the exhibition case back, the in-house automatic 6R55 calibre can be viewed, accurate to -15/+25 seconds per day, with a power reserve of 72 hours.

Prospex is a combination of the words ‘Professional’ and ‘Specifications.’ Seiko Prospex timepieces are engineered to be practical, reliably rugged and durable; built for the high standards required in extreme environments for sports lovers and adventure seekers alike.

Movement:

• Caliber Number: 6R55
• Movement Type:  Automatic with manual winding
• Precision: +25 to -15 seconds per day
• Power reserve: Approx. 72 hours(3 days)
• Jewels: 24

Functions:

• Stop second hand function
  

Case/Band:

• Case Material: Stainless steel (super hard coating)
• Crystal: Sapphire crystal with magnifier
• Crystal Coating: Anti-reflective coating on inner surface
• LumiBrite: LumiBrite on hands and index(es)
• Clasp: Three-fold clasp with push button release
• Distance between lugs: 20mm
• Case Size:
  
  • Thickness:12.7mm
    
  • Diameter:39.5mm
    
  • Lug-to-lug:46.4mm

Other Details:

• Water Resistance: 20 bar
• Magnetic Resistance: 4,800 A/m
• Weight: 147.0
• Features: 
  • Rotating compass bezel
  • Screw-down crown
  • See-through & Screw case back

Go retro in all black with a gunmetal case and black ion-plated mesh band for the essence of monochromatic minimalism in a bold, boxy look.

The mesh band and black ion plating elevates and refines this watch, inviting you to make it your favorite accessory.

More than just a fashion statement, this watch delivers practical functions such as stopwatch and alarm, as well as water resistance for daily use to free you from worry, even on rainy days.

Specifications

Basic Information

• Case size (L× W× H): 38.6 × 36.3 × 9.6 mm

• Weight: 55 g

• Case and bezel material: Case / bezel material: Resin / Black chrome plated

• Band: Stainless Steel Mesh Band

• Clasp: Adjustable Clasp

• Water resistance: Water Resistant

• Power supply and battery life: Approx. battery life: 7 years on CR2016

Exterior

• Glass: Resin Glass

• Surface treatment: Black ion plated band

Features

• Stopwatch:
  1/10-second stopwatch
  

  • Measuring capacity: 59'59.99"

  • Measuring modes: Elapsed time, split time, 1st-2nd place times

• Alarm/Hourly Time Signal:

  • Daily alarm

  • Hourly time signal

• Light: Electro-luminescent backlight

  • Light color: EL: Blue Green

• Calendar: Auto-calendar (28 days for February)

• Accuracy: ±30 seconds per month

• Other Features:

  • Regular timekeeping: Hour, minute, second, pm, date, day

  • 12/24-hour format