Model H77625153 from Hamilton's Khaki Navy collection is a suberb automatic Swiss watch for the world-traveler, or a man looking for a great looking Swiss timepiece that combines diving features with world time. The watch is constructed of solid stainless steel and features and ETA Swiss automatic movement with a see-through caseback. The crystal is sapphire and is virtually scratch-proof. One of the crowns rotates the countdown bezel which is actually under the crystal, and another crown controls the world-time functions. Model H77625153 is water resistant to 200 meters.