Seiko Cal. 5660 - 430

This Quartz model from 1982 features a 40mm Hardlex-Coated Steel case. It features a Black dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-ba1b3314edef]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1982

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