Seiko Cal. 7181 - 558

This Quartz model from 1966 features a 41mm Stainless Steel case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-ae946e2f3e62]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1966

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