Seiko Cal. 3863 - 256

The Seiko 3863-256 represents an important milestone in Seiko's 1981 lineup. Powered by the 3863 caliber with 24j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-61078ce4232e]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1981

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