Seiko Cal. 6661 - 712

The Seiko 6661-712 represents an important milestone in Seiko's 1977 lineup. Powered by the 6661 caliber with 17j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-9f1c2996e181]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1977

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