Seiko Cal. 5639 - 945

This Kinetic model from 1988 features a 41mm PVD Black case. Powered by the 5639 caliber with 31j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-d249cd8796ad]

Also known as: UFO, Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1988

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