This watch is rated to a depth of 300 meters

recognizable by its three counters

and 31 are displayed in red on the dial

And the legend continues

Sharkhunter Bracelet:Stainless Steel This watch is rated toIn the line up of diver's watches developed by DOXA, the SUB 200 C GRAPH stands out as a mechanically wound chronograph, recognizable by its three counters. It comes equipped with an automatic Swiss movement that provides a power reserve of approximately 56 hours. The chronograph function includes a central chronograph hand that rotates once around the dial every 60 seconds, a 30 minute chronograph counter positioned at 3 o'clock, and a 12 hour