Seiko Cal. 4486 - 551

The Seiko 4486-551 represents an important milestone in Seiko's 1973 lineup. Powered by the 4486 caliber with 21j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-49fdfdb868ba]

Also known as: Monster, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

White

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1973

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