Seiko Cal. 4591 - 487

The Seiko 4591-487 represents an important milestone in Seiko's 1999 lineup. Powered by the 4591 caliber with 36j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-5d4e4a4462d9]

Also known as: Rally, Arnie

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

11.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

36j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1999

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