Seiko Cal. 6631 - 961

This Kinetic model from 1991 features a 46mm PVD Black case. Powered by the 6631 caliber with 18j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-37c9d856f1d9]

Also known as: Golden Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Champagne

Jewels

18j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1991

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