Many watches can be worn and read submerged, however the best rules for what makes up a genuine Divers Watch are designated by the International Organization for Standardization. The cutting edge ISO 6425 standard stipulates a couple of criteria, including: a minimum depth-rating of 100 meters, a unidirectional bezel with markings at least every five minutes, a dial visible in total darkness and an indication in darkness that the watch is running — usually this is indicated by a running seconds hands with a luminous tip or counterbalance. ISO 6425 additionally stipulates the watch must be anti-magnetic and shock-resistant an resistant to corrosion in seawater. The final product is a timepiece that is tough, dependable and readable.
