Seiko Cal. 6633 - 955

The Seiko 6633-955 represents an important milestone in Seiko's 1990 lineup. Powered by the 6633 caliber with 26j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-544594ca2ab1]

Also known as: Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

130m

Dial Color

Champagne

Jewels

26j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1990

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