Rare L. Leroy & Cie Diamond encrusted stainless steel case open face pocket watch. It's in very good condition for it's age, with undisturbed patina, crystal and dial look great with rose cut diamond case. Case measures about 30.6mm, inside case is marked "ACIER". This watch is running strong with no issues to note. I'm not a watch expert so I'm sorry I can't give more info. We are jewelers all of our items are professionally inspected and tested, we guarantee all of our items to be as described. We have many other hard to find items listed so please take a look, you never know what you might find. Thank you and happy shopping.