Seiko Cal. 4581 - 230

Seiko 4581-230

The 4581-230 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4581 caliber with 31j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-0af6f1b35229]

Also known as: Sumo

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.9mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
31j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1988

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