Seiko Cal. 5637 - 202

This Hand-Winding model from 1987 features a 43mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-ae481126a409]

Also known as: World Timer

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1987

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