BTW if a TD is unwilling to open the caseback for a movement inspection, ask for a video of time setting.
SA3285 - Fwd crown = Backward hands
VR3185/6 ‐ Fwd crown = Fwd hands
These are very good pointers. I don't think many of us can differentiate the difference between a 3186 and 3285 by looking. With fake engravings, even a 2824 with 3135 markings look legit .. lol