9101 (01/1988-..) Wrist-watches, pocket-watches and other watches, incl. stop-watches, with case of precious metal or of metal clad with precious metal (excl. with backs made of steel)

91011100 (01/1996-..) Wrist-watches of precious metal or of metal clad with precious metal, whether or not incorporating a stop-watch facility, electrically operated, with mechanical display only (excl. with backs made of steel) 91011200 (01/1996-12/2006) Wrist-watches of precious metal or of metal clad with precious metal, whether or not incorporating a stop-watch facility, electrically operated, with opto-electronic display only (excl. with backs made of steel) 91011900 (01/2007-..) Wrist-watches of precious metal or of metal clad with precious metal, whether or not incorporating a stop-watch facility, electrically operated, with opto-electronic display and with combined mechanical and opto-electronic display (excl. with backs made of steel) 91012100 (01/1988-..) Wrist-watches of precious metal or of metal clad with precious metal, whether or not incorporating a stop-watch facility, with automatic winding (excl. with backs made of steel) 91012900 (01/1996-..) Wrist-watches of precious metal or of metal clad with precious metal, whether or not incorporating a stop-watch facility, with hand winding only (excl. with backs made of steel) 91019100 (01/1996-..) Pocket-watches and the like, incl. stop-watches, of precious metal or of metal clad with precious metal, electrically operated (excl. with backs made of steel and wrist-watches) 91019900 (01/1996-..) Pocket-watches and the like, incl. stop-watches, of precious metal or of metal clad with precious metal, with hand or automatic winding (excl. with backs made of steel and wrist-watches) 9102 Wrist-watches, pocket-watches and other watches, incl. stop-watches (excl. of precious metal or of metal clad with precious metal)