It is hard to determine a value of such a vintage LeCoultre Ladies Watch without knowing the Model since LeCoultre made so many watches and Year made would also help. However, if marketed correctly, the watch would like bring $200+ but with the original box in pristine condition, I could see them fetch $300 to $500 on a very good day. I could be wrong but that is my best estimate! Note: An email to LeCoultre with these same pics attached along with one looking directly at the Dial, might help in finding out the Model and Year of manufacture.
jaeger-LeCoultre watches are very expensive and the face alwats says Jaeger Lecoultre with their little trademark above it and Swiss made at the bottom. Le Coultre is ?. Not an expensive watch. Take it to a jeweler to confirm. Sorry...
Agree with Huntsman. Though the small ladies watches are not popular here in the US I have sold a few for a good margin to buyers in China, as I think they still admire them still, as long as it is a popular Swiss maker.
Austin is right. The watch you have is not the expensive and valuable Jaeger - LeCoulture watch it is a poor imitation of that brand. Here are the markings you would expect to find on a true Jaeger - LeCoulture watch.
While the manufacturers name would have definitely piqued my interest, one look at the large '14K' stamp on the back would certainly have dampened any enthusiasm.
Without fail, each time I've seen a mark like that it's proven to be a false indicator of metal purity.