Seiko Cal. 3891 - 581

The Seiko 3891-581 represents an important milestone in Seiko's 1996 lineup. Powered by the 3891 caliber with 30j jewels beating at 36,000 bph, it delivers a 62 hours power reserve. [seikata-wm-4faf76adca6b]

Also known as: Monster, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

62 hours

Year

1996

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