Seiko Cal. 0717 - 402

This Spring Drive model from 1974 features a 36mm Stainless Steel case. Powered by the 0717 caliber with 21j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-340c95dabdb5]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.0mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1974

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