Chopard The horological company Chopard has released a unique timepiece, developed intentionally for the Only Watch 2011 event. The new DLC Titanium L.U.C Engine One Tourbillon watch will be presented at the Charity Auction on September, 22. The proceeds raised will be donated to assist research efforts on Duchenne muscular dystrophy.Keeping the new Chopard watch secured to the wearer wrist is a hand-sewn black alligator leather strap. It is lined with brown alligator leather, adorned with a gadrooned motif. It terminates in DLC titanium pin buckle.