Seiko Cal. 4581 - 681

The Seiko 4581-681 represents an important milestone in Seiko's 1984 lineup. Powered by the 4581 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-841d4cdd7b58]

Also known as: Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

31j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1984

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