Seiko Cal. 4478 - 970

This Spring Drive model from 1982 features a 37mm Two-Tone case. It features a Burgundy dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-172da7aa04b7]

Also known as: Helmet, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Burgundy

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1982

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