Seiko Cal. 4581 - 932

The 4581-932 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4581 caliber with 33j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-e106a393c5f2]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

15.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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