Seiko Cal. 4581 - 937

The Seiko 4581-937 represents an important milestone in Seiko's 1997 lineup. Powered by the 4581 caliber with 36j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-604449bbb18f]

Also known as: Rally, Goldfeather

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1997

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