Tank Chinoise watches are extremely rare in the 81051 variant and condition for this one is jaw dropping. The watch is exceptionally well preserved with original band and buckle. The small box is also included. 
 
Details:
 
Brand: Cartier
Model: Tank Chinoise
Reference: 81051
Year: Unknown
Material: 18k Gold
Dimensions:  23x30mm
Crystal:  Mineral Glass
Movement: Quartz
Bracelet/Strap: Original to the watch Strap and Plated buckle 
Box/Papers: Yes/No