Seiko Cal. 4523 - 641

This Spring Drive model from 1975 features a 42mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-1a557df09210]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1975

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