But boy, the 7121 shines as an openworked movement. The bottom plate (the dial side; in watchmaker's parlance the back of a movement is the top and the dial side is the bottom, since that's how replica audemars-piguet horloges a movement sits when you work on it) especially, has been really beautifully opened link up, organized in a series of semicircles, loops, curves, and full circles that provide a wonderful frame replica tudor uhren for the active components in the movement – the view is almost totally unobstructed.