Seiko Cal. 3891 - 751

The Seiko 3891-751 represents an important milestone in Seiko's 1995 lineup. Powered by the 3891 caliber with 23j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-3c041ade6f5f]

Also known as: Bullhead, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1995

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