Seiko Cal. 4581 - 173

The Seiko 4581-173 represents an important milestone in Seiko's 1970 lineup. Powered by the 4581 caliber with 21j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-00c576fba15f]

Also known as: Goldfeather

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1970

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