Seiko Cal. 4431 - 333

This Hand-Winding model from 1972 features a 41mm Stainless Steel case. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-899b56e69288]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1972

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