When it comes to the basics, this is technically similar to that original 2016 release, using the same base movement and with the same profile and general layout. It's even closer to last year's update, which added a full rose-gold bracelet to the rose-gold case and silver dial option that we saw for the first time in 2018 (and that Jack reviewed in-depth right here). Vacheron Constantin has been steadily evolving the Overseas QP Ultra-Thin, step by step, rather than giving us too many options all at once. Like last year's watch, this watch has a solid pink-gold case measuring 41.5mm across and just 8.1mm thick, it has a full perpetual calendar display with moon phase too, and it comes on a Maltese Cross-style bracelet with both alligator and rubber straps that you can easily swap on and off thanks to the quick-change system. The calendar mechanism also won't need adjusting until 2100 – including the moon phase display – so you can truly set it and forget it. All around, it's a pretty flexible and low-maintenance watch for a QP.