Seiko Cal. 4471 - 857

Seiko 4471-857

The 4471-857 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 56 hours power reserve. [seikata-wm-1db8843a84b8]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Cream
Jewels
21j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1968

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