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 4541B Men's XO Submarine Swiss Automatic Watch GV2 Men's Swiss Automatic from the XO Submarine Collection 44mm 316L Stainless Steel Case with Black dial, Black Bezel, Luminous Hands and Hour Markers Screw down crown, Case back 4 screws Unidirectional Rotating Bezel, Dual time zone 316L Stainless Steel bracelet With Deployment Buckle Anti-reflective Sapphire Crystal Water Resistant to 100 Meters/10ATM Swiss Automatic, SW200 Movement