Seiko Cal. 5638 - 535

This Hand-Winding model from 1968 features a 35mm Hardlex-Coated Steel case. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-43b2403e6edb]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

8.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Champagne

Jewels

20j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1968

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