Seiko Cal. 3896 - 639

This Hand-Winding model from 1980 features a 37mm Stainless Steel case. Powered by the 3896 caliber with 28j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-94ac22b975fe]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1980

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