Yes, of course it should reset to zero. Simple matter of removing and resetting the hand on properly.
No idea how Oris handles warranty repairs in Canada, or who does them. In the past I've found their distributor here to be pretty useless. The US distributor in NY state used to be quite good to work with (I bought parts from them without issue), but then they changed who was handling the brand in the US., and since then I pretty much avoid working on the watches, since the new distributor won't sell parts.
Removing the hour totalizing hand and re-setting it to zero is not the answer in this case. That is exactly what I did to solve the problem of the minute totalizer hand. That problem is now solved. The hour totalizer hand does NOTHING when the chronograph is stopped, and the re-set button pushed. The hour totalizer hand totalizes as it should as the chronograph runs. But stop the chronograph and hit the re-set button, and the hour totalizer hand just sits at the last register point.
I have heard stories about the Canadian distributor, and the next to non-existent service with warranty complaints. Or service of any kind, period! The subject watch is still under warranty, so it is going back to the distributor.
Okay, your description of the problem wasn't clear. So if the hand doesn't move at all when resetting, then it's likely an issue with the hour hammer or it's operating lever possibly being out of position.
The chronograph section for the hour recorder is the same as a regular 7750. The only real difference here is the addition of wheels to move the minute counter around, and the changes to the date. So these are not difficult to work on.
If you have already worked on this, the warranty is now void, so hopefully they will honour it. Tech guides are readily available for this movement, but if you need one, let me know and I can send it to you.
Cheers, Al
