Watch Features Specifications 42mm Carbon Composite Case and 60-click Unidirectional Ratcheting Dive Timing Bezel 316L Stainless Steel Screw-in Embossed Signature Caseback 316L Stainless Steel Screw-in Crown with Multiple O-rings Sapphire Crystal with Antireflective Coating (for glare-free viewing) Water Resistant to 300 Meters (all watches tested in both air and water) Dependable Japanese Citizen/Miyota 2S60 Quartz 3-Hand and Date Movement (with 10-year battery) Genuine Rubber Strap with Steel Signature Buckle (steel tube molded into the strap for spring pins to pass through for added strength and durability) Swiss Self-powered Pro-Glo T25 Illumination System Glows Continuously for 25 Years (no need to be "charged" by an external light source, and glows 100X time brighter than conventional photoluminescent lume systems) Weight: 73.2 grams, Thickness: 13.95mm, Lug width: 22mm Description Model PT1004O is a reliable and sturdy divers watch, specially designed to meet the needs of tactical and military operations. Its tritium lume provides long-lasting and bright illumination in low-light conditions, ensuring maximum visibility at all times. With its precision and durability, this watch is the perfect choice for any mission.