Seiko Cal. 4581 - 730

Seiko 4581-730

The 4581-730 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4581 caliber with 21j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-f3bb3273cb4f]

Also known as: Bullhead, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
14.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
White
Jewels
21j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1995

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