Seiko Cal. 0733 - 912

The Seiko 0733-912 represents an important milestone in Seiko's 1968 lineup. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-fe994a23b195]

Also known as: Sumo, Helmet

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1968

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