Seiko Cal. 4581 - 566

The Seiko 4581-566 represents an important milestone in Seiko's 1982 lineup. Powered by the 4581 caliber with 20j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-2ec6b6fbac7f]

Also known as: Monster, Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

20j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1982

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