Seiko Cal. 6668 - 612

The Seiko 6668-612 represents an important milestone in Seiko's 1992 lineup. Powered by the 6668 caliber with 28j jewels beating at 36,000 bph, it delivers a 72 hours power reserve. [seikata-wm-4d582f8051ba]

Also known as: Sumo, Sea Horse

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

72 hours

Year

1992

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