Seiko Cal. 4437 - 381

This Solar model from 1986 features a 41mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-962e8f935366]

Also known as: Sumo, Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1986

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