Seiko Cal. 6635 - 302

The 6635-302 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6635 caliber with 22j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-6dc20bd85b41]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1991

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