ANOTHER NICE OLD POCKET WATCH CASE,,,,,,THE CASE IS MARKED WITH HALLMARKS 1850 UNITED KINGDOM,,, ,,,THE CASE MEASURES APPROX 50.5 MM OUTSIDE MEASUREMENTS,,,,THE CRYSTAL IS APPROX 55.3 MM,,,,THE OPENING IS AROUND 44 MM ACROSS,,,,,IT WEIGHS AROUND 63 GRAMS WITH THE CRYSTAL,,,,,,A NICE EDITION TO ANY COLLECTION,,,THANKS FOR LOOKING AND GOD BLESS #3