Seiko Cal. 6688 - 478

This Automatic model from 1989 features a 38mm PVD Black case. Powered by the 6688 caliber with 31j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-4655c49c4afd]

Also known as: Samurai, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1989

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