Seiko Cal. 4580 - 661

Seiko 4580-661

The 4580-661 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4580 caliber with 21j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-4494da7b8380]

Also known as: Sportsmatic, Flighty

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1974

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seikata-wm-4494da7b8380