With its black polyurethane strap and DLC-coated stainless steel case, the Promaster Aqualand from Citizen stands out from the crowd. Water-resistant to 200 metres, this diver's watch has a black dial with green accents and uses Eco-Drive technology, allowing it to run on light - any light. Other advanced functions include a memory for maximum diving depth, a power reserve indicator, a date, a 12/24 hour display and a chronograph.