Omega Seamaster Ploprof 1200M 2010 [Preowned]Overview The Omega Seamaster Ploprof 1200M reference 224. 30. 55. 21. 01. 001, introduced in 2009, is a striking modern revival of one of Omegas most distinctive and professional grade dive watches. Originally engineered in the 1970s for saturation divers in collaboration with COMEX, the Ploprof (Plongeur Professionnel) was a no compromise tool. This contemporary version remains faithful to that original mission, while incorporating modern materials,