Seiko Cal. 3859 - 541

This Automatic model from 1979 features a 40mm Stainless Steel case. Powered by the 3859 caliber with 31j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-1bd4be2eea71]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1979

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