Seiko Cal. 4457 - 355

Seiko 4457-355

The 4457-355 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4457 caliber with 26j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-33ff472672fe]

Also known as: UFO, Emperor

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
12.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
70m
Dial Color
White
Jewels
26j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1970

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