The Dat Watt Limited Edition II marks the renewal of Oris's partnership with the Common Wadden Sea Secretariat, supporting the conservation of the UNESCO World Heritage-listed Wadden Sea. Built on the Aquis diver's-watch platform, its shimmering green dial takes its cue from the light reflecting off the region's salt marshes, paired with an unusual circular date display. Water-resistant to 300 metres and powered by the automatic Caliber 743-1, it is delivered as a set on its stainless steel brac...