It was designed like a marine chronometer annd created in 2005 to celebrate the 100th Anniversary of Wempe's "Chronometerwerke Hamburg", one of the world's leading manufactures of marine chronometers and precision insturments, established by 7 major ship owners in this North German city on October 10, 1905. It is the only Langematik with power reserve indication. 100 pieces were made in yellow gold, 100 in platinum and 25 in pink gold.