The dive watch, which is water-resistant to a depth of 200 meters, takes its name from one of the last marvels of Venetian naval technology, the Nereide submarine. This timepiece is in fact designed to withstand strong stresses, making it particularly suitable for those who practice water sports. CASE MATERIAL: 316L Stainless Steel DIMENSIONS: Ø39 mm, lug to lug 45.50 mm MOVEMENT: Automatic Cal. Seiko NH34A GMT FUNCTIONS: GMT, date CRYSTAL: Sapphire Glass with anti-reflective coating LUMINOUS MATERIAL: BGW9 Super-LumiNova® BEZEL: BK7 Crystal, 120 clicks WR: 20ATM (= 200mt) BRACELET: Canova BGW9 Super-LumiNova® Swiss Super-LumiNova® BGW9 is a phosphorescent pigment, otherwise known as Lume, emits a Blue-Green glow in the dark (as the name suggest) when properly charged by either sunlight or artificial light. In a daylight condition, BGW9 is white in colour. Compared to the much more widespread C1 pigment, the BGW9 has a relative brightness more than triple, making it the most widespread solution in the haute horlogerie. Brand New Watch, Comes With The Correct Retail Packaging