Seiko Cal. 3863 - 216

The Seiko 3863-216 represents an important milestone in Seiko's 1988 lineup. Powered by the 3863 caliber with 21j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-28ac370aa417]

Also known as: Bullhead, Navigator

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1988

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