Seiko Cal. 6660 - 791

The Seiko 6660-791 represents an important milestone in Seiko's 1992 lineup. Powered by the 6660 caliber with 34j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-56d03f7a40f4]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

34j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1992

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