Vacheron Constantin Overseas World Time 7700V. Luxury Watches Vacheron Constantin by wholesalewatches - May 10, 20160 The new Vacheron Constantin Overseas World Time 7700V comes with the Geneva Hallmark quality seal, and is available in three different colours. I guess we could say that 2016 is a proper Overseas year for Vacheron Constantin. After a few modest years, in terms of novelties, the brand already made a