Seiko Cal. 4447 - 939

Seiko 4447-939

The Seiko 4447-939 represents an important milestone in Seiko's 1970 lineup. Powered by the 4447 caliber with 20j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-200fb9c67318]

Also known as: Shogun, Rally

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
13.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Navy
Jewels
20j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1970

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seikata-wm-200fb9c67318