The newest XO Submarine collection epitomizes the sporty yet classic art form that makes GV2 a standout. At the cutting edge of design and technology, the automatic XO Submarine heralds state-of-the-art geometric design that pays homage to its namesake. Harkening back to a time when watches adorned battle submarine walls, the XO Submarine features a unique square case surrounding the round watch face with cog-like dual time zones and a rotating inner bezel. Water resistant up to 100 meters, the XO Submarine is perfect for timing those deep dives. In bold, dark colors with luminous hands and hour markers, this sleek collection is ideal for special force operations or hardworking daily use. GV2 4540 Men's XO Submarine Swiss Automatic WatchGevril Men's Swiss Automatic from the XO Submarine Collection44mm IPRG Case with Green dial, Green Bezel, Luminous Hands and Hour MarkersUnidirectional Rotating Bezel, Dual time zoneScrew down crown, Case back 4 screwsGenuine Black Canvas on Italian Leather with Tang BuckleAnti-reflective Sapphire CrystalWater Resistant to 100 Meters/10ATMSwiss Automatic, SW200 Movement