Stainless steel Black PVD treated 42mm case Sapphire crystal Water resistant up to 100 meers with screw down crown Automatic mechanical ETA 2836-2 chronometer movement Super luminova movement See thru case back Band Color: Black Rubber, Band Width: 22mmnear case, 18mm near clasp/buckle, Bezel Color: Black, Case: Black + Circle-shaped, Cas...