Hamilton Khaki Navy BeLow Zero Auto Titanium 46mm Watch drop-a-hint The Longines Spirit Grade 5

The Longines Spirit Grade 5 titanium chronograph represents the brand's commitment to innovation and precision

With its blend of vintage appeal and modern reliability

Grand Seiko Heritage Collection Watch with a stainless steel case and bracelet

25 mm model features a black sun-brushed dial

Hamilton Khaki Navy BeLow Zero Auto Titanium 46mm Watch drop-a-hint The Longines Spirit Grade 5A new titanium case adds lightweight durability to the high performing Khaki Navy BeLOWZERO. Water resistant to 100 bar (1,000 m) and equipped with a helium escape valve, this submarine inspired watch is perfect for your next water adventure. The impressive 46mm titanium case treated with black PVD is the epitome of stealth style and features a special diving mask embossed on the case back. Featured in The Martian (2015). Worn by Mark Watney, played