Modern iteration of the ingenious world time watch that was conceived by Louis Cottier in 1931. 🌍#amsterdamvintagewatches #patekphilippe #worldtime #patekphilippeworldtime #5131j #patekphilippe5131 #5131 (bij Amsterdam Vintage Watches) https://www.instagram.com/p/CStsskatxFq/?utm_medium=tumblr









