Seiko Cal. 4440 - 913

Seiko 4440-913

The 4440-913 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4440 caliber with 25j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-ab69c17841bd]

Also known as: Tuna, Pogue

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
White
Jewels
25j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1989

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seikata-wm-ab69c17841bd