Seiko Cal. 4431 - 113

Seiko 4431-113

The 4431-113 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4431 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-68c43170b81c]

Also known as: Samurai

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
46mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
20j
Frequency
36,000 bph
Power Reserve
59 hours
Year
1965

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seikata-wm-68c43170b81c