Seiko Cal. 6639 - 487

This Kinetic model from 1965 features a 39mm PVD Black case. Powered by the 6639 caliber with 32j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-460581f543fd]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

8.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1965

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