Seiko Cal. 6633 - 920

The Seiko 6633-920 represents an important milestone in Seiko's 1981 lineup. Powered by the 6633 caliber with 18j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-2c37deb1996c]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

130m

Dial Color

White

Jewels

18j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1981

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