A SIMPLE RULE OF THUMB WOULD BE: IF THE REPAIR COSTS MORE THAN 50% OF THE VALUE OF THE WATCH ONCE REPAIRED. iT’S TIME TO THINK ABOUT BUYING A NEW WATCH WITH A VALID WARRANTY INSTEAD; (example:$200 WATCH COSTING $170 TO REPAIR).THIS ONLY APPLIES IF THERE ARE NO SENTIMENTAL REASONS FOR KEEPING THE WATCH. USUALLY THIS MEANS THAT THE LOWER END WATCHES ARE NEVER REPAIRED OUT OF WARRANTY.THE MID RANGE NEED CAREFULL PRICING AND THE LUXURY END IS ALWAYS REPAIRED.