Seiko Cal. 6651 - 831

The Seiko 6651-831 represents an important milestone in Seiko's 1991 lineup. Powered by the 6651 caliber with 20j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-cee83489c088]

Also known as: UFO, Goldfeather

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1991

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