Seiko Cal. 5635 - 439

This Hand-Winding model from 1974 features a 37mm PVD Black case. It features a Champagne dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-06d5d6b2948c]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1974

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