Seiko Cal. 4581 - 951

The Seiko 4581-951 represents an important milestone in Seiko's 1982 lineup. Powered by the 4581 caliber with 31j jewels beating at 28,800 bph, it delivers a 37 hours power reserve. [seikata-wm-e6dc6d7ef9fd]

Also known as: Samurai, Monster

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1982

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