Seiko Cal. 4471 - 520

Seiko 4471-520

The 4471-520 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4471 caliber with 32j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-04ea8bde0e8b]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
9.2mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
White
Jewels
32j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1969

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