💎 8F Vacheron Constantin Overseas Watch Upgrade Version V2 A fine stainless steel case that took 10 months to build, diameter 41mm, sapphire crystal case back, 7750 to 5200 automatic winding mechanism, swing frequency 28800 times/hour, Stainless steel buckle, water resistant to 150 meters. The last thing to appreciate is the new "replaceable strap system". The new Overseas only needs to toggle a small lever between the strap and the lugs to replace the strap. Belt, truly 1:1 reproduction