Seiko Cal. 3889 - 629

This Spring Drive model from 1968 features a 34mm PVD Black case. Powered by the 3889 caliber with 20j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-01cc23c1f799]

Also known as: Monster, Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1968

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