41mm stainless steel case with a thickness of 10.48mm, antimagnetic construction, transparent sapphire crystal caseback, sunburst satin-finished lacquered blue dial with circular satin-finished internal minutes track and velvet-finished external minutes track, precision moon phase with 18K gold moons on a starry sky and retrograde hand-type date, 18K gold applied hour and minute hands and hour markers highlighted with blue SuperLuminova, Vacheron Constantin calibre 2460 R31L/2 self-winding movement with 275 parts and 27 jewels, hours, minutes, retrograde date and precision moon phase with balance-stop function, operating at 28800 vibrations per hour with approximately 40 hours of power reserve, polished and satin-finished stainless steel bracelet with triple folding clasp, supplied with additional dark blue grained calfskin leather and dark blue rubber straps. Water resistant to 50 metres / 165 feet. Hallmark of Geneva certified.