HI Rolex experts, maybe you can enlighten me. I got my TC YM today. I was curious about the 50 on the bezel as it looks a little odd and different than on most gens I had seen so far, Nevertheless I have found gens that have the odd shape. It seems like for a short time Rolex had a different bezel design. Or the "gens" are actually TCs. Design one, narrow type (gen pic but the same on TC's): Design two, round type (as on most gens):