The matte black Unimatic U1-GMT-DHB Heritage Diver showcases a vintage-style, creamy Super-LumiNova® markers for exceptional legibility. Housed in a 40mm stainless steel case and a 41.5mm unidirectional bezel, it is powered by a Japanese automatic GMT movement, making it the perfect dual-time watch. Stainless Steel Case, Brushed Finish Matte Black Quick-Release TPU Strap 40MM case 300m ≈ 1000ft ≈ 30atm 2.7mm thick ultra double domed sapphire with inner side anti-reflective coating and a matte black dial Super-LumiNova® GL light old radium Automatic GMT caliber NH34A 21600BPH Bi-directional automatic winding, and handwinding Includes Unimatic tough case and warranty card with unique ID seal Made in Italy Style U1-GMT-DHB