Seiko Cal. 0770 - 920

This Hand-Winding model from 1977 features a 38mm Stainless Steel case. Powered by the 0770 caliber with 33j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-c1171ce8497b]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1977

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