Seiko Cal. 4423 - 974

This Quartz model from 1977 features a 41mm Stainless Steel case. With its 21mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-5603656bde5b]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

15.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

33j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

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