Seiko Cal. 4557 - 520

Seiko 4557-520

The 4557-520 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4557 caliber with 25j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-f3099a3e55ea]

Also known as: Sea Horse

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
White
Jewels
25j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1967

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