Seiko Cal. 4581 - 571

The 4581-571 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4581 caliber with 28j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-da6621998dd8]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

110m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1968

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