Seiko Cal. 5637 - 538

This Spring Drive model from 1981 features a 34mm Gold-Plated case. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-7d501198be19]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

8.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1981

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