Seiko Cal. 4425 - 317

Seiko 4425-317

The 4425-317 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4425 caliber with 18j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-1de52f7d3fa7]

Also known as: Sportsmatic, Emperor

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.3mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
White
Jewels
18j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1975

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