Seiko Cal. 5687 - 821

This Quartz model from 1966 features a 43mm Titanium case. It features a White dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-bea98191393d]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

43mm

Case Thickness

15.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

27j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1966

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