Seiko Cal. 7031 - 773

This Quartz model from 1971 features a 40mm Hardlex-Coated Steel case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-1cdcd5c1c849]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1971

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