Seiko Cal. 4431 - 120

This Kinetic model from 1977 features a 41mm Gold-Plated case. It features a White dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-dd97cceccd34]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

8.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1977

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