Seiko Cal. 6635 - 844

This Solar model from 1973 features a 45mm PVD Black case. Powered by the 6635 caliber with 22j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-77acb9bd0202]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1973

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