This is no ordinary watch. I believe this was pre 1937, because LeCoultre combined with Jaeger in that year and it would say Jaeger-LeCoultre after that, which it doesn't.
This has 15 jewels and 2 adjustments with a very rare Windsor case that says "20 years guarantee" its also stamped BWCCO which is the Brooklyn Watch Company Corporation. Lecoultre watches regularly sell in the hundreds, even thousands of dollars.