100 % AUTHENTIC IS THIS RARE INVICTA RESERVE AUTOMATIC CHRONOGRAPH 500 METER PROFESSIONAL MENS DIVER WATCH----STUNNING CHAMPAGNE COLOR DIAL---7750 SELF-WINDING AUTOMATIC MOVEMENT----THIS WATCH WAS PURCHASED ABOUT 7 YEARS AGO AND ONLY WORN A FEW TIMES----STRAP IS IN LIKE NEW CONDITION-------!!!!!!!!PLEASE READ IMPORTANT INFORMATION!!!!!!!!-----WATCH IS WORKING AND RUNNING GOOD FOR ABOUT 48 HOURS STRAIGHT, WHEN PUT DOWN ON TABLE WITH FACE UP AND  THE CHRONOGRAPH WORKS AS WELL,but AS SOON AS YOU PICK IT UP IT STOPS-----VERY STRANGE AS THE MOVEMENT LOOKS VERY CLEAN----Screw Down Crown and Pushers Work Perfect------THIS WATCH WILL NEED A SERVICE OR CLEANING OR MOVEMENT OVERHAUL-----THERE IS ONLY ONE OTHER WATCH LIKE THIS LISTED ON E BAY FOR 895,- DOLLARS IN WORKING CONDITION------BECAUSE OF THE PROBLEM I HAVE STATED ON THIS WATCH I WILL SELL IT AS IS WITH NO RETURN FOR A WAY LOWER PRICE-------THIS WATCH IS IN SUCH Fantastic CONDITION THAT IT WILL BE WAY WORTH IT TO FIX-------THIS WILL BE SENT OUT WITH TRACKING VERY QUICK AFTER PAYMENT HAS BEEN RECEIVED-----I AM SELLING FINE AND RARE WATCHES FOR OVER 10 YEARS WITH EXCELLENT FEEDBACK SO YOU ARE IN GREAT HANDS---------please ASK ANY QUESTIONS BEFORE PURCHASE------USA SHIPPING Only----