From 12th to 15th March 2012, Jaeger-LeCoultre is launching its fourth online auction in support of the preservation of Unesco World Heritage marine sites. This year, the Manufacture in Le Sentier is putting up for auction a unique watch inspired by the Memovox Deep Sea: Prototype No. 1 of the Deep Sea Vintage Chronographe, with a resolutely sporty vocation. Find out more about the watch and participate in the auction now (in English only) by clicking on www.jaeger-lecoultre.com.All proceeds will be donated to the Puerto Princesa Underground River National Park, which is on the UNESCO World Heritage List.