Seiko Cal. 7183 - 742

The Seiko 7183-742 represents an important milestone in Seiko's 1979 lineup. The Fixed bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-6055ad20c686]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1979

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