More Details GV2 black leather watch from the Astor Collection. 40mm round stainless steel case and hardware. Black calfskin leather strap with thorn buckle. Includes interchangeable white leather strap. White dial with geometric enamel bezel. Roman numeral indices; single subdial. 12, 3, 6 and 9 o'clock white diamonds. Two-hand Ronda 1069 movement. 0.0193 total diamond carat weight. Antireflective sapphire crystal. Water resistant to 3 ATM. Made in Switzerland.