Longines 1832 Annual Calendar Watch - 40 mm Steel Case - Black Dial - Black Alligator Strap - L4.827.4.52.0 Copper With index hour markers

With index hour markers

quartz Cartier caliber 059 movement

cambered sapphire crystal with glareproof treatment on both sides

Aquanaut fold-over buckle

silvered dial with sun-like finish

Longines 1832 Annual Calendar Watch - 40 mm Steel Case - Black Dial - Black Alligator Strap - L4.827.4.52.0 Copper With index hour markers40. 00 mm stainless steel case, transparent sapphire crystal back, scratch resistant sapphire crystal with anti reflective coating, black matt dial with applied indexes, caliber L897 automatic movement with hours, minutes, seconds, month and date by annual calendar, approximately 64 hours of power reserve, black alligator strap. Water resistant to 3 bar.