Seiko Cal. 4471 - 520

Seiko 4471-520

The 4471-520 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4471 caliber with 33j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-7741d0aee8ee]

Also known as: Sportsmatic, Bellmatic

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
14.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
50m
Dial Color
Black
Jewels
33j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1972

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