Seiko Cal. 6661 - 849

The Seiko 6661-849 represents an important milestone in Seiko's 1977 lineup. Powered by the 6661 caliber with 27j jewels beating at 36,000 bph, it delivers a 67 hours power reserve. [seikata-wm-8a641dcb7ca9]

Also known as: Sumo, Bellmatic

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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