Seiko Cal. 6635 - 122

This Spring Drive model from 1977 features a 35mm Stainless Steel case. Powered by the 6635 caliber with 24j jewels beating at 36,000 bph, it delivers a 50 hours power reserve. [seikata-wm-dd3535658137]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1977

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