Watches serviced by a Rolex Service Center (NOT to be confused with 'Authorized Dealers', which many have a 'watchmaker' hack in the back room who can barely size a bracelet) come with a one-year warranty, so sending it back to rectify any remaining issues is covered gratis by the warranty. The 'Aut
...I think the ETA base that most directly matches up to it is the 2892(?). As to how they compare I don't know enough about the A10 to comment, but I've read elsewhere that the basic A10 ebache arrives 'from the factory' better finished than the equivalent ETA ebauche. I think Panerai uses a Soprod