Seiko Cal. 3864 - 912

The Seiko 3864-912 represents an important milestone in Seiko's 1971 lineup. Powered by the 3864 caliber with 26j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-bc7f38eb7e46]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1971

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