Seiko Cal. 5634 - 697

This Spring Drive model from 1973 features a 44mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-b2d94093c2f6]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1973

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