The FRO300 is truly powerful and gives you everything you've always wanted in a top-of-the-line watch. Its 45-millimeter diameter case, machined from a grade 4 titanium block and finished with a sandblasted texture (a subtle surface texture that eliminates surface shine), is a prime example of its indestructibility. It features the automatic NH34A caliber 'made in Japan,' signed by TMI (Seiko Instruments SII), with GMT function, allowing us to independently view and adjust two different time zones, one of them in a 24-hour format. The FROG300 utilizes an advanced unidirectional Diver's bezel - internally protected, lockable, and adjustable. It has a double-curved sapphire crystal with blue anti-reflective (AR) coating on the inner side and utilizes our innovative 'T' gaskets and a helium valve to ensure water resistance up to 300 meters. Thus, it complies with the ISO 6425 standard for professional saturation diving watches, offering excellent legibility during both day and night, thanks to the best Super-LumiNova® luminous material, applied in multiple layers in the bi-tone (green and blue, differentiating time and diving time). With its short lug-to-lug distance of only 42.9mm (perfectly fitting any medium-sized wrist) and the use of a highly flexible and resistant fluoroelastomer strap, the FROG300 is truly comfortable to wear in your day-to-day activities. Additionally, it features a specially designed clasp that allows for micro-adjustments and quick removal of the watch by unlocking the 'LOCK' button, providing the ultimate comfort in a watch today. And of course, it includes the ID+ emergency data system integrated into its caseback: something we hope you'll never need to save your life, as that is its purpose.