Seiko Cal. 6661 - 801

The Seiko 6661-801 represents an important milestone in Seiko's 1981 lineup. Powered by the 6661 caliber with 27j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-aa4443e80c60]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.9mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1981

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