Seiko Cal. 6639 - 467

This Solar model from 1978 features a 39mm PVD Black case. Powered by the 6639 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-cf3a2ae32c9f]

Also known as: Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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