Seiko Cal. 4492 - 912

This Spring Drive model from 1979 features a 42mm Stainless Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-927f7c901a71]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.3mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1979

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