Diethelm Keller Sieber Hegner (DKSH) (formerly SiberHegner) is a Zurich-based marketing and distribution company, recently the owner of Maurice Lacroix, formerly owner of Glycine, and a minority shareholder in Bovet 1822. DKSH also served as the Asian distributor of Breitling, Corum, Ulysse Nardin, and Harry Winston as of 2013 and Bedat and Junghans in North America as of 2019.

• 2008 - Acquires Asian distribution of Maurice Lacroix from Desco von Schulthess
• 2011 - Acquires Maurice Lacroix, Queloz, and MFM from Desco von Schulthess
• 2012 - Acquires 20% of Bovet 1822
• 2015 - Offers Maurice Lacroix and Queloz for sale (no buyer found) and closes MFM operations
• 2016 - Sells Glycine to Invicta
• 2018 - Sells Queloz to Cendres+Métaux