Is there any risk of breaking the mainspring when winding up my Oris Watch? 28 July 2023 13:05 Updated None at all. The mainspring is made out of modern, space age alloys and therefore very resistant. Stop winding when you feel stronger resistance. Related articles How much do I need to move to keep my automatic watch wound? How do I put my watch into operation? What are jewels? Which Oris watches are anti-magnetic? How do I wind a hand-wound watch?