Seiko Cal. 0723 - 830

This Spring Drive model from 1982 features a 40mm PVD Black case. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-cbb833597169]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1982

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