Vianney Halter Antiqua Perpetual Calendar Case: White gold case 750/1000 in "Steampunk" design, alligator strap with original white gold buckle;Dial: 4 differently sized "porthole" dials with arabic numerals and letters, date hour and minute indication at 2 o'clock, date window with loupe at 4 o'clock, leap year and month indication at 7 o'clock, weekday indication at 10 o'clock, signed: "Vianney Halter" ;Movement: Rhodium-plated automatic movement with Geneva stripes and perpetual calendar ;Cal.: VH-198;Ref.: 99.4W.144;Movement No.: N4W;Case No.: 99.4W.144;Accessories: Ginotti papers;D=: ca. 39,5mm;Year: 1999; Starting Bid : 50000