Panerai Ferrari Perpetual Calendar Special Edition Stainless Steel Black Dial FER 00015 BJY6YW automatic mechanical, Panerai OP XXII caliber, 13¼ lignes, 21 jewels. Monometallic Glucydur® balance, 28,800 alternations/hour. Incabloc® anti-shock device. 48-hour power reserve, Côtes de Genève decoration, blued screws. Rotor engraved with the Prancing Horse.Functions: hours, minutes, small seconds, perpetual calendar.Case: diameter 45 mm, in polished steel with brushed edges, winding crown with the Ferrari logo and rims worked with the square-grid pattern, correctors at 2 and 4 o’clock.Bezel: brushed steel.Back: steel, screw-in, with the engraving of the Ferrari 60th Anniversary logo; round the edge is engraved the inscription Engineered by OFFICINE PANERAI.Dial: black with square-grid decoration, Ferrari logo and Prancing Horse at 12 o’clock, 60-minute scale with Arabic numerals at 5-minute intervals on the flange, small seconds at 9 o’clock, month and 4 year/ leap year display at 3 o’clock and date display at 6 o’clock with applied cone-section rings in metal, seconds hand and part of the seconds scale in red, luminous baton hour and minute hands.Crystal: sapphire, 1.9 mm thick. Anti-reflective coating.Water resistance: 100 meters.Strap: black alligator with contrasting stitching, inside part in red alligator with red sewing, personalized folding buckle in brushed steel with the edge of the closure in polished steel.