Seiko Cal. 4426 - 640

Seiko 4426-640

The 4426-640 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4426 caliber with 20j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-6070f1f1a99f]

Also known as: Samurai

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1973

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