Seiko Cal. 6312 - 866

The Seiko 6312-866 represents an important milestone in Seiko's 1971 lineup. Powered by the 6312 caliber with 19j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-1739fa88cd0a]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1971

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