Longines Master Collection Moon Phase Watch - 42 mm Steel Case - Black Barleycorn Roman Dial - Black Alligator Strap - L2.919.4.51.7

42.00 mm stainless steel case, transparent sapphire crystal back, scratch-resistant sapphire crystal, black barleycorn dial with painted Roman numerals, caliber L899 automatic movement with hours, minutes, seconds, moon phase display and date indicated by small hand at 6 o'clock, approximately 64 hours of power reserve, black alligator strap. Water resistant to 3 bar.