A precise and reliable automatic movement resists magnetic fields on this Swiss-made watch designed with an exhibition caseback and a dual-finish bracelet. 40mm case; 21mm band width Adjustable bracelet; links can be removed at your local Nordstrom. Butterfly clasp closure Powermatic 80 movement with silicon spring Date window Water-resistant to 10 ATM (100 meters) Domed scratch-resistant sapphire crystal face with antireflective coating Sunray dial Stainless steel Swiss made