Seiko Cal. 5639 - 504

This Kinetic model from 1972 features a 41mm PVD Black case. Powered by the 5639 caliber with 26j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-176cde78b856]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1972

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