Seiko Cal. 4581 - 425

The 4581-425 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4581 caliber with 29j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-166283d7b566]

Also known as: Tuna, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1999

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