Frederique Constant men's watch from the Slimline Moonphase Collection. 42mm round stainless steel case and hardware; see-through case back. Black alligator strap with thorn buckle closure. Silver dial with Roman numeral time markers. Two-hand automatic self-winding movement. Moonphase and date subdial at 6 o'clock. Water resistant to 3 ATM. Sapphire crystal window.