Seiko Cal. 4550 - 937

This Spring Drive model from 1976 features a 38mm Titanium case. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-18c88dbd3b8a]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

38mm

Case Thickness

14.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1976

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