THIS IS A RARE EARLY ROBERT H. INGERSOLL & BRO WW1 ERA WRISTWATCH. IT DATES FROM AROUND THE 1915-17 PERIOD. IT IS SIGNED ON THE DIAL INGERSOLL WRIST MADE IN U.S.A. IT HAS A FULLY SIGNED MOVEMENT WITH PATENT NUMBERS, AND EVEN HAS ITS ORIGINAL PINK PAPER GUARANTEE PAPER IN THE BACK OF THE CASE. IT IS IN GOOD CONDITION, WITH SOME NATURAL AGE TO THE CHROMIUM CASE, IT HAS MARKS ON THE BACK CAUSED BY THE STRAP PRESSURE OVER MANY YEARS. THE PAPER DIAL HAS A MARK IN IT. THE HANS HAVE STILL MOST OF ITS PAINT. THE GLASS IS QUITE CLEAN. THE WATCHES BALANCE WHEEL IS OKAY, BUT THE HAIRSPRING LOOKS DETACHED FROM THE TIME ADJUSTMENT LEVER, IT IS ALSO LOOKS OVER WOUND, SO WILL NEED A SERVICE TO GET IT TO RUN WELL AGAIN. IT IS A LARGE 37MM ACROSS THE CASE.