V2 Upgrade Edition, the Tudor Black Bay Series Greenwich Model watch combines traditional design with the classic Greenwich Pepsi bezel, making it a superb retro sports watch.1: Perfectly replicating the 41mm diameter matte brushed case, with polished edges that are smooth to the touch, achieving the rugged and fluid lines of the original. The bi-directional rotating red and blue Pepsi bezel is made from anodized aluminum, matching the original! .2: The crystal is made of sapphire glass, restoring the vintage nostalgic