#Watches A different jewel shines over the surface of the sea: for the first time, the Yacht-Learn forty two is out there in yellow gold – an inspired and first refinement on the emblematic sailing timepiece that by no means alters its class. Oyster Perpetual Datejust 31 Crafted by Swiss https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/