Seiko Cal. 3863 - 275

The Seiko 3863-275 represents an important milestone in Seiko's 1988 lineup. Powered by the 3863 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-3aa7e2746dc1]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Champagne

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1988

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