Seiko Cal. 6631 - 536

This Kinetic model from 1979 features a 46mm PVD Black case. Powered by the 6631 caliber with 30j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-a04ac2216403]

Also known as: Sea Horse, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1979

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