Seiko Cal. 4591 - 890

The 4591-890 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4591 caliber with 26j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-4fbed53b5aa9]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1976

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