Technical Specifications Case Diameter: 44 mm Thickness: 11.65 mmLug Width: 22 mm Case Material: Brushed Stainless Steel Movement: Hamilton H-10 Automatic Swiss-made movement (featuring 25 jewels, hacking seconds, and manual winding capabilities) Power Reserve: 80 hours Crystal: Scratch-resistant Sapphire crystal Case Back: Transparent / Exhibition see-through case back Water Resistance: 10 bar (100 meters / 328 feet) Dial: Black dial with bold luminous Arabic numerals, a 24-hour inner military time ring, and a date window at the 3 o'clock position. The Hamilton Khaki Field Officer Auto honors the brand's extensive history of producing reliable timepieces for the military. While traditional field watches usually sit between 36mm and 38mm, this specific model features a commanding 42mm footprint, giving it the visual weight and styling of an officer's watch or a pilot's timepiece. The dial layout emphasizes rapid readability. It utilizes large, highly visible luminous Arabic numerals paired with a red-tipped sweeping second hand that tracks along an outer minute scale. True to tactical field standards, the inner portion of the dial features a smaller 24-hour track. Under the hood, the watch is powered by the modern Hamilton H-10 movement, a heavily modified version of the reliable ETA architecture that lowers the frequency slightly to deliver a highly practical 80-hour power reserve. This means you can take the watch off over a long weekend, and it will still be ticking perfectly on Monday morning. Pop Culture Fact: This reference earned minor cinematic fame on the wrist of Ryan Reynolds in the 2010 thriller Buried, acting as a crucial survival prop throughout the film.