Seiko Cal. 6628 - 146

This Spring Drive model from 1979 features a 38mm PVD Black case. Powered by the 6628 caliber with 36j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-0da2a83913ee]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Black

Jewels

36j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1979

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