Seiko Cal. 6140 - 636

This Spring Drive model from 1976 features a 46mm Titanium case. It features a Cream dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-ecef6c44e35e]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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