Ceinture model, case with Swiss Helvetia head mark, manual wind movement, signed white octagonal dial with Paris below 6, Roman numerals in black, inner railroad seconds track in black, blued steel sword hands, octagonal crown within cut-out to case egde, with Cartier Paris and serial number to the caseback, on a signed Cartier red strap with signed Cartier foldover clasp marked BC 18K 750, no box and papers