Seiko Cal. 5630 - 888

This Quartz model from 1995 features a 37mm Titanium case. Powered by the 5630 caliber with 28j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-e0e088681c8c]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Silver

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1995

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