Panerai Radiomir 3 Days 1940 GMT 18k Rose Gold Men's Watch PAM00421. Manual winding movement. Caliber P.3001. 21 jewels. GMT function. 18k rose gold cushion shaped case 47.0 mm in diameter. Exhibition sapphire crystal caseback. 18k rose gold sloped bezel. Scratch resistant sapphire crystal. Brown dial with luminous hands and baton hour markers. Arabic numerals at 6 and 12 o'clock positions. Small seconds sub-dial at the 9 o'clock. Date window at 3 o'clock. Brown leather strap with 18k rose gold tang buckle.