Recognizable by its three apertures along an arc for displaying the day, the date and the month, the Reference 5205 Annual Calendar pairs its white-gold version with an elegant sunburst dial in two tones of blue shading to black. The case construction is notable for the slightly concave bezel and the delicately pierced strap lugs. A sleek, dynamic and very contemporary style graces this calendar watch requiring adjustment only once a year.WatchSelf-winding mechanical movement. Caliber??324??S??QA??LU??24H/206. Annual Calendar. Day, date and month in apertures. Moon phases. 24-hour indication. Sweep seconds hand.DialBlue sunburst, black gradated, gold applied hour markers.CaseWhite Gold. Skeletonized lugs. Diameter: 40 mm. Height: 11.36 mm. Water-resistant to 30 m. Sapphire crystal case back.StrapAlligator with square scales, hand-stitched, shiny black. Prong buckle.