It is easy to mistake these for a Tank Louis with the simple Cartier signature that we see on its dial. The watch is in very good condition with a new 17mm strap fitted and movement serviced.
 
Details:
 
Brand: Cartier
Model: Tank Pre-Must
Reference: 590005
Year: ---
Material: Vermeil 
Dimensions:  23.5mm
Crystal:  Mineral Glass
Movement: Quartz
Bracelet/Strap: Vintage 17mm Canadian made strap
Box/Papers: No/No