Seiko Cal. 3891 - 651

The Seiko 3891-651 represents an important milestone in Seiko's 1989 lineup. Powered by the 3891 caliber with 30j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-bdb9c86c8a93]

Also known as: Monster

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1989

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