Seiko Cal. 4429 - 631

This Spring Drive model from 1975 features a 38mm Titanium case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-8187a19dc450]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

9.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

130m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1975

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