Ulysse Nardin Marine Chronometer Annual Calendar Manufacture (1133-210/E3). UN-113 automatic movement. Power reserve indicator at 12 o`clock position, month indicator, small seconds and date window at 6 o`clock. Blue enamel dial and Roman numerals hour markers. Stainless steel bezel set on a 43mm stainless steel case. Sapphire crystal on top and exhibition case back. Water resistant to 100M. Blue alligator strap with stainless steel folding buckle.