Seiko Cal. 4438 - 841

This Spring Drive model from 1976 features a 44mm Hardlex-Coated Steel case. With its 18mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-3eb194bef9d9]

Also known as: Monster, Navigator

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1976

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