Seiko Cal. 6635 - 522

The Seiko 6635-522 represents an important milestone in Seiko's 1966 lineup. Powered by the 6635 caliber with 19j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-4a86f8daf921]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Champagne

Jewels

19j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1966

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