Seiko Cal. 4413 - 448

Seiko 4413-448

This Hand-Winding model from 1970 features a 39mm PVD Black case. Powered by the 4413 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-b09007a08b51]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Cream
Jewels
20j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1970

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seikata-wm-b09007a08b51