Seiko Cal. 6661 - 907

The Seiko 6661-907 represents an important milestone in Seiko's 1989 lineup. Powered by the 6661 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-29944ee2de2c]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1989

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