Seiko Cal. 3868 - 847

The Seiko 3868-847 represents an important milestone in Seiko's 1966 lineup. Powered by the 3868 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-0bfb32c95e04]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1966

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