Review – Reservoir Hydrosphere “Air Gauge” – A Very Unique Dive Watch

I know many people complain about dive watches. Not because of what they are intrinsically, but because many of them look the same (the Submariner-like market is huge…) Yet, there’s a very good reason for this: a norm, the ISO 6425 standard, regulates the concept of a dive watch. However, some watchmakers have decided to […]