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Hi All I am having big troubles refitting the case of an Omega Dynamic watch with a 1012 movement. I think only who knows this watch can understand and help me. I had to build custom case clamps, they must be very accurate and basically just make pressure on the walls of the spacing ring, which lays flat on the front loading case. Spacing ring walls are flat, no grooves for the clamps. I get just "vertical" grip, I mean, as much as I tight the screws I get no reasonable resistance to the rotation of the movement inside the watch. Is this correct? See pictures where you see the clamps attaching to the spacer ring... The stem is a split stem type. After placing the movement in the case (no hands and no crystal fitted yet) I am not able to place the outer part of the split stem since when I fiddle with it, the watch rotates or moves enough to not allowing me to press the split stem in and engage it. Even if I eventually manage to do it, as soon as I operate the crown the movement again moves so the split stem releases away. Questions 1. Is it correct that I cannot prevent the movement to rotate in the case unless I fit the crystal? It also features a plastic seal to be placed between the crystal and the dial to make pressure, if I am not wrong. 2. If so, How can I place the hands and test them, without being able to operate the crown? I could not locate any video nor description online on assembling this very peculiar watch. Thanks for any suggestion! Ascanio