Very Rare Antique Circa 1910 Chromometre Postala Pocket Watch 16 Rubis . Watch runs, sets and seems to keep good time. Watch itself is a higher end watch but what makes this watch special is the rare, art deco hand done NIELLO Silver case. This technique can only be done by hand and is very time consuming and difficult to do . Watch is double cased . Inter case has Ancre de Haut Precision Postala Balancier compense 16 Rubis( most of these are 15 Rubis) ...other side has 310690 .800 silver crescent moon with crown hallmark, and NIELLP inside of another hallmark at top. outer case has similar hallmarks. see pictures. This would make a great addition to your watch collection.