Seiko Cal. 0798 - 296

This Spring Drive model from 1979 features a 40mm Stainless Steel case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-a709ba6bffdf]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1979

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