Intricately styled to look like an aviation control panel, this Swiss-automatic watch delivers advanced technology in sophisticated style. A bi-directional rotating bezel helps you easily calculate and convert the time, while an anti-magnetic hairspring alloy ensures precision in any environment. 42mm case; 20mm band width Buckle closure H-10 automatic movement NivachronTM anti-magnetic hairspring alloy for precise timekeeping 80-hour power reserve Date window Water-resistant to 10 ATM (100 meters) Sapphire crystal face Stainless steel/leather Swiss made