OMEGA Watches - The Seamaster Ploprof 1200M Co-Axial Master Chronometer in 18K Sedna™ gold and titanium is lighter than the original, but just as tough. It even has a "sharkproof" mesh bracelet.
Omega Seamaster Professional 600m PLOPROF Stainless Steel Mesh Bracelet to suit the Classic 1970s Reference 166.077 with 24mm Lugs — About Time
Omega Seamaster PLOPROF 1200M Co Axial 55 x 48mm + Mesh Bracelet Box Papers | TNS Diamonds Philadelphia
Seamaster Ploprof 1200M Co-Axial Master Chronometer 55 x 48 mm - 227.90.55.21.04.001 | OMEGA®