Seiko Cal. 4431 - 959

This Hand-Winding model from 1976 features a 38mm Gold-Plated case. It features a Black dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-5b4322499b56]

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Black

Jewels

19j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1976

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