Seiko Cal. 5629 - 406

This Spring Drive model from 1970 features a 34mm PVD Black case. Powered by the 5629 caliber with 22j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-38f4ebe923c7]

Also known as: Tuna, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

180m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1970

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