Seiko Cal. 0764 - 131

This Spring Drive model from 1971 features a 39mm Hardlex-Coated Steel case. Powered by the 0764 caliber with 29j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-97fb6ff9c29e]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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