Seiko Cal. 5255 - 903

Seiko 5255-903

The 5255-903 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5255 caliber with 34j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-5f2127d62d4a]

Also known as: Tuna, Rally

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.0mm
Lug Width
22mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Silver
Jewels
34j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1966

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