Reference W2SA0015 carries the Santos-Dumont "Le 14 bis" designation, a restricted edition numbering just 500 pieces. The square case measures 43.5 mm × 31.4 mm in stainless steel, framed by a fixed 18K yellow gold bezel. A beaded steel crown set with a synthetic blue cabochon spinel lends a hallmark Cartier accent, while scratch-resistant sapphire crystal protects the dial beneath. The solid case back is engraved with the "Le 14 bis" motif, a nod to the aircraft that inspired this storied lineage.
The black dial is arranged with Roman numeral hour markers and displays hours and minutes. A grey alligator strap pairs with a steel ardillon buckle to complete the presentation. Water resistance is rated to 30 meters.
Powering the watch is the Cartier Calibre 430 MC, a manufacture mechanical manual-winding movement offering approximately 38 hours of power reserve. This piece is offered pre-owned in excellent condition.
