Seiko Cal. 4531 - 544

This Spring Drive model from 1981 features a 36mm Gold-Plated case. It features a Champagne dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-b854d3661030]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

19j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1981

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