Seiko Cal. 0717 - 787

This Spring Drive model from 1981 features a 37mm Stainless Steel case. Powered by the 0717 caliber with 23j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-2881edf8d622]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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