Seiko Cal. 5257 - 471

Seiko 5257-471

The 5257-471 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5257 caliber with 23j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-525d337e6deb]

Also known as: Sumo, Bullhead

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
White
Jewels
23j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1983

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