Longines Style No: L2.773.4.71.2 Longines Master Collection Moon Phase Chronograph Small Seconds Automatic Watch - 42 mm Steel Case - Silver Roman Dial - Blue Alligator Strap

42.00 mm stainless steel case, 14.20 mm thick, transparent sapphire crystal back, scratch-resistant sapphire crystal with anti-reflective coating, silver dial with applied Roman numerals, caliber L687 automatic movement with chronograph, hours, minutes, small seconds with 24 hours indicator at 9 o'clock, date indicated by the half moon central hand, moon phase display at 6 o'clock, moon-phase, chronograph mechanism: central 60 seconds hand, moon phase display with 12 hours counter at 6 o'clock and 30 minutes counter with day and month display at 12 o'clock, approximately 66 hours of power reserve, blue alligator strap. Water resistant to 3 bar.