Seiko Cal. 5637 - 878

This Quartz model from 1988 features a 40mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-21e8028249ca]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

40mm

Case Thickness

9.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1988

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