Prospex Black Series Limited Edition Limited Edition of 7,000 Production serial number engraved on caseback Designed for rugged activities Emergency code listing on screwdown caseback Automatic with manual winding capability 21,600 vibrations per hour Power reserve: approximately 41 hours 23 jewels Black rotating compass bezel Matte gray dial reduces reflection and maximizes visibility Bright green LumiBrite, newly developed for improved night visibility, on hands and markers Date calendar Sapphire crystal Screwdown crown Case diameter: 42.4mm Stainless steel case with black hard coating Black fabric/leather hybrid strap Water-resistant to 20 bar, 200 meters (660 feet) Caliber 4R35
