Seiko Cal. 3894 - 981

This Spring Drive model from 1975 features a 34mm PVD Black case. Powered by the 3894 caliber with 17j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-2a9eec700e89]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Champagne

Jewels

17j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1975

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