Seiko Cal. 5637 - 696

This Spring Drive model from 1988 features a 45mm Titanium case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a63123c42e11]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

45mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1988

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