Seiko Cal. 6621 - 972

This Solar model from 1992 features a 39mm Hardlex-Coated Steel case. Powered by the 6621 caliber with 24j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-7a7544de5dfb]

Also known as: Sumo, Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1992

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