Seiko Cal. 4591 - 589

The Seiko 4591-589 represents an important milestone in Seiko's 1985 lineup. Powered by the 4591 caliber with 36j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-352256eb6ae5]

Also known as: Sumo, Crown

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1985

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