Seiko Cal. 4590 - 521

The Seiko 4590-521 represents an important milestone in Seiko's 1990 lineup. Powered by the 4590 caliber with 34j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-2fb15bfe6e30]

Also known as: Shogun, Sea Horse

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

39mm

Case Thickness

14.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1990

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