Seiko Cal. 6635 - 999

The Seiko 6635-999 represents an important milestone in Seiko's 1985 lineup. Powered by the 6635 caliber with 36j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-0f67c8102608]

Also known as: Golden Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1985

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