Seiko Cal. 4413 - 441

Seiko 4413-441

The 4413-441 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4413 caliber with 26j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-996e3b7f0bd1]

Also known as: Helmet, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
12.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
140m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1973

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seikata-wm-996e3b7f0bd1