Cvstos Chrono Steel/2 Row Diamonds / Blue, 41 mm or 45 mm. Cvstos CVS577 Self-winding mechanical, Black PVD treatment or rhodiated, Skeletonized, with function Chronograph, Hour, minute, seconds, Power-Reserve indicator, Skeletonized date disc.
Case
Challenge III or Challenge III GT, Tonneau-shaped 53.7 x 41 mm, Tonneau-shaped 59 x 45 mm
Material & Color Steel, Grey, Setting
Crystal Sapphire with none-reflective coating on both sides. Caseback Open with sapphire crystal
Crown Screw-down, polished Titanium Grade 5 or 5N Red Gold, rubber insert