#Watches A brand new jewel shines on the floor of The ocean: for the first time, the Yacht-Learn 42 is on the market in yellow gold – an encouraged and unique refinement for the emblematic sailing timepiece that in no way alters its program. Oyster Perpetual Datejust 31 Manufacturer Track https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/