Seiko Cal. 0737 - 648

This Spring Drive model from 1973 features a 43mm Titanium case. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-918e9ee70efa]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

14.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1973

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