Seiko Cal. 6635 - 797

The 6635-797 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6635 caliber with 29j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-b3b803cb8faa]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1987

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