Last year, Swiss watch maker Concord dazzled us with the Concord C1 diamond studded watch, and this year we are presented with many amazing watches from their C1 edition, that outsmarts its previous counterpart with regards to engineering and design. The most expensive and appealing out of them was the C1 Biretrograde watch cut from platinum or Rose gold. It offers a bold and contemporary display of time with its unique presentation of date and day of the week…