How accurate is the ProPilot Altimeter altitude indication? 28 July 2023 12:54 Updated It depends on your altitude. Between 1,500 and 3,000 metres, the ProPilot Altimeter is accurate to +/-30 metres. Between 0 and 1,500 metres and above 3,000 metres, it’s accurate to +/-50 metres. Related articles Is it possible to refurbish a DLC coating? What are the most important features of the Calibre 400 Series? How do I extend the warranty on my Oris watch? I’m visiting Switzerland and I’d love to visit the Oris factory. Is this possible? Why does the altimeter scale on the ProPilot Altimeter change, even when the crown is locked?