Seiko Cal. 4438 - 923

This Solar model from 1971 features a 40mm Titanium case. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-731a62c135fb]

Also known as: Monster, Rally

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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