Seiko Cal. 4442 - 439

This Spring Drive model from 1965 features a 35mm Titanium case. With its 22mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-2b3e83e259fb]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

35mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1965

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