Oris Mens Watch 581 7566 43 61 LS - WITH SERIAL NUMBERS - Silver Dial, Gold Markers - Moon Phase, Week Day, Day Date - Second Time Zone - Self Winding Automatic Movement - Cal. Oris 581, Base ETA 2688/2671 - 17 Jewels, Power Reserve: 38 Hours - Exhibition Case Back - Certificate of Authenticity - Plexiglass Crystal - Gold Bezel with Steel Case & Brown Leather Strap - Manufacturer Box & Manual - 50 Meters / 150 Feet Water Resistant - 38mm = 1 1/2" Case, 7" Adjustable Strap - Deployment Buckle