Seiko Cal. 6621 - 731

This Solar model from 1984 features a 44mm PVD Black case. Powered by the 6621 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-f1785b882654]

Also known as: UFO, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1984

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