Maurice Lacroix Watch Masterpiece Skeleton Chronograph MP6028-PVB01-001-1. In life when we meet an individual who freely shares their personality and readily displays their character, we describe them as open hearted and admire their honesty. The same also applies in watchmaking. In this domain, Maurice Lacroix has vast experience creating thought provoking, open worked, skeletonised watches, which freely show the movement components within.