Seiko Cal. 6635 - 587

The 6635-587 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6635 caliber with 22j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-92f92aba3cdc]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1992

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