Seiko Cal. 4590 - 688

The Seiko 4590-688 represents an important milestone in Seiko's 1991 lineup. Powered by the 4590 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-7820fc50cb2d]

Also known as: Shogun, UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

10.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1991

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