Seiko Cal. 4443 - 531

The 4443-531 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4443 caliber with 25j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-194763a7423e]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1994

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