Seiko Cal. 3871 - 523

This Quartz model from 1982 features a 36mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-299bd82aa627]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1982

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