Seiko Cal. 5231 - 744

This Spring Drive model from 1982 features a 42mm Gold-Plated case. It features a Black dial protected by a Hardlex crystal and offers 100m of water resistance. [seikata-wm-28be66ec5c36]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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