Seiko Cal. 4581 - 989

Seiko 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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