Seiko Cal. 4471 - 403

Seiko 4471-403

The 4471-403 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4471 caliber with 21j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-731a51671f86]

Also known as: Helmet, Silverwave

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Black
Jewels
21j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1972

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seikata-wm-731a51671f86