Seiko Cal. 4581 - 989

The 4581-989 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4581 caliber with 27j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-28bc31ee6bdd]

Also known as: Tuna, Pogue

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1966

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