Seiko Cal. 4557 - 929

This Quartz model from 1972 features a 37mm Two-Tone case. It features a Green dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-ea20610b6df5]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1972

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