Seiko Cal. 6639 - 190

This Solar model from 1990 features a 43mm Stainless Steel case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-66f931b81361]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1990

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