The 2015 Omega PloProf boasts a few notable difference compared to the 2009-generation. First of all, the case and bracelet are done in titanium and a rubber strap is standard issue in the full package. The movement, caliber 8912, no longer features a date and is now certified according to the new METAS process - plus it can now be seen through a sapphire crystal caseback.Reference 227.90.55.21.99.001 has a grey dial and a grey bezel.
