Seiko Cal. 5644 - 688

This Quartz model from 1974 features a 37mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-32d33591e3dc]

Also known as: Pogue, Emperor

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

37mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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