Seiko Cal. 6639 - 650

This Solar model from 1986 features a 39mm PVD Black case. Powered by the 6639 caliber with 20j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-7e8e5ee54905]

Also known as: Shogun, Goldfeather

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

20j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1986

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