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The 0634 caliber was Seiko's first digital LCD chronograph quartz watch. The 0634-5019 was produced in 1975 and 1976. It can display hours (AM/PM), minutes and the day of the month and has a light for the LCD. The chronograph provides a start/stop and a lap function.
- 37mm Diameter
- 41mm Lug to Lug
- 15mm Thickness
- Stainless Steel Case
- Stainless Steel Bracelet
- No Original Box or Papers
