Longines combines the traditional aesthetic of the brands original timepieces with cutting-edge watchmaking technology. The Longines Master Collection brings together classical elegance and exceptional craftsmanship, with each timepiece fitted with self-winding movements. The Annual Calendar is powered by a Calibre L897.2 self-winding mechanical movement with a 64 hour power reserve, and features a 40mm stainless steel case and a brown alligator strap with folding clasp. The annual calendar is positioned at 3 o'clock displaying the month and day. Ref: L29104783. Product InformationBrand: Longines Movement: AutomaticCase Material: Stainless SteelCase Size: 40mmType of Strap: Brown Leather strapGlass Material: Sapphire CrystalDial: SilverWater Resistant: 30mGender: Mens