Seiko Cal. 6638 - 279

This Solar model from 1982 features a 34mm Gold-Plated case. Powered by the 6638 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-5d8669f77cb7]

Also known as: Sumo, Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1982

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