Comparing two great depth gauge dive watches: the top shelf IWC Aquatimer Deep Three and an ingenious alternative from ORIS that works without any moving parts.
An Oris with an orifice
When diving, it is as important to know your depth as it is your time. For most divers nowadays, this means using a digital dive computer that puts all the data on your wrist. But for those who prefer to dive old school, or who subscribe to the “two is one, one is none” philosophy of having backups, using a dive watch and a separate depth gauge is required.