Seiko Cal. 6638 - 219

This Solar model from 1980 features a 37mm Stainless Steel case. Powered by the 6638 caliber with 23j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-c2412b4fffc5]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

23j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1980

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