Seiko Cal. 3897 - 830

This Hand-Winding model from 1973 features a 41mm Stainless Steel case. Powered by the 3897 caliber with 28j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-0f0cc1cc006e]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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