SEIKO SPB087

The 1968 Automatic Diver’s Modern Re-interpretation: SPB087

Caliber 6R15
Driving system: Automatic
Vibrations: 21,600 vibrations per hour (6 beats per second)
Power reserve: 50 hours
Number of jewels: 23
Specifications
Stainless steel case with super-hard coating
Sapphire crystal with anti-reflective coating
Screw case back. Screw-down crown
Diameter: 44.0 mm, Thickness: 13.1 mm
Water resistance: 200m diver’s
Magnetic resistance: 4,800 A/m
Silicone strap