Seiko Cal. 3859 - 910

This Hand-Winding model from 1969 features a 45mm Stainless Steel case. Powered by the 3859 caliber with 23j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-794060040e60]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

13.3mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1969

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