Seiko Cal. 3866 - 312

The Seiko 3866-312 represents an important milestone in Seiko's 1975 lineup. Powered by the 3866 caliber with 21j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-4d010714f0e9]

Also known as: Pogue

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1975

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