Longines Master Collection Annual Calendar Watch - 42 mm Steel Case - Blue Dial - Blue Alligator Strap - L2.920.4.92.0 Yacht and the phases and age

and the phases and age of the moon

33 mm hammered 18K white gold case

multifaceted sapphire crystal with anti-reflective treatment

black Ocean Racer II strap with tang-type buckle

Water resistant to 50m (5 ATM)

Longines Master Collection Annual Calendar Watch - 42 mm Steel Case - Blue Dial - Blue Alligator Strap - L2.920.4.92.0 Yacht and the phases and age42. 00 mm stainless steel case, transparent sapphire crystal back, scratch resistant sapphire crystal, sunray blue dial with applied indexes, caliber L897 automatic movement with hours, minutes, seconds, month and date by annual calendar, approximately 64 hours of power reserve, blue alligator strap. Water resistant to 3 bar.