Invicta Men's 1927 Russian Diver Mechanical Black Skeleton Dial Black Ceramic Watch Black watch with skeleton dial featuring capped crown with chain at 9 o'clock, two-hand movement, and exhibition caseback 47 mm ceramic case with flame-fusion dial window Mechanical hand-wind movement with analog display Ceramic link bracelet with deployment clasp Water resistant to 50 m (165 ft): In general, suitable for short periods of recreational swimming, but not diving or snorkeling