Lum-Tec RPM 3 | USA Assembled Chronograph with MDV Lume

The RPM 3 is Lum-Tec's racing-inspired chronograph. Its 3-layer matte dial uses green-glowing X1-grade C3 Super-Luminova and its diamond-cut hands are filled with X1-grade Super-Luminova, both part of Lum-Tec's MDV® luminous technology. A Japanese Miyota OS20 quartz chronograph drives it.The 43 mm case is 316L surgical-grade stainless steel, bead blasted and then finished in a gunmetal titanium carbide PVD hard coat. It is compact for its width at 41 mm lug to lug and 11.3 mm thick (12.3 mm overall), with 20 mm lugs, a thick sapphire crystal anti-reflective coated on both sides, a bolt-on solid steel caseback and 50 meters of water resistance. It comes on a two-piece nylon strap with gunmetal hardware. As an authorized Lum-Tec dealer, The CGA Company sells the RPM 3 new, never pre-owned, with free USA shipping. It comes on a two-piece nylon strap with gunmetal hardware. Specifications Case width: 43 mm, 316L surgical-grade stainless steel Coating: Military-grade titanium carbide gunmetal PVD hard coating over a bead-blasted finish Thickness: 11.3 mm case; 12.3 mm overall including sapphire and caseback Lug to lug: 41 mm Lug width: 20 mm Water resistance: 50 meters Movement: Japanese Miyota OS20 quartz chronograph Crystal: Thick sapphire with military-grade AR coating on both sides Caseback: Bolt-on solid 316L stainless steel Crown: Threaded, double Viton® seals Gaskets: Viton® Dial: 3-layer racing-inspired dial with matte finish Lume: MDV® luminous technology, X1-grade C3 Super-Luminova (green glow) Hands: Diamond-cut, filled with X1-grade Super-Luminova Strap: Two-piece nylon military-style strap with matching gunmetal PVD hardware Warranty: 2-year limited warranty Assembly: Designed, assembled by hand and fully tested in Mentor, Ohio Construction The RPM 3 case is 316L surgical-grade stainless steel with a bead-blast finish for durability, covered in a gunmetal titanium carbide PVD hard coat. A thick sapphire with anti-reflective coating on both sides protects the dial. A bolt-on solid steel caseback, a threaded crown with double Viton® seals and Viton® case gaskets keep the 50 m rating. Strap and Fit The case is 43 mm wide but only 41 mm lug to lug and 11.3 mm thick (12.3 mm overall), so it sits compactly on the wrist. It ships on a two-piece nylon military-style strap with gunmetal PVD hardware, and the 20 mm lug width makes other straps easy to find. MDV® Lume The 3-layer matte dial uses X1-grade C3 Super-Luminova with a green glow, and the diamond-cut hands are filled with X1-grade Super-Luminova. Both are part of Lum-Tec's MDV® luminous technology. Lifetime Service Lum-Tec provides free battery changes, seal cleaning and pressure testing on the RPM 3 for life, in Ohio. Lum-Tec says it regularly sees its watches come back for service after 15 or more years of use, and it puts what it learns from them into new designs. Lifetime services are provided by Lum-Tec under Lum-Tec's terms, not by The CGA Company; for service, contact service@lum-tec.com. Hand Assembled and Tested in Mentor, Ohio Lum-Tec says its watches are designed and engineered in Ohio from the ground up, and every RPM 3 is hand assembled and individually tested in Mentor, Ohio, using international and domestic components; the movement in this model is the Japanese Miyota OS20 quartz chronograph. Lum-Tec says that since 2007 it has produced watches for more than 100 brands around the world, the U.S. government and SWAT teams. Frequently Asked Questions What movement does the RPM 3 use? A Japanese Miyota OS20 quartz chronograph. How water resistant is it? 50 meters. That covers rain, splashes and handwashing, but it is not a dive watch. For swimming and diving, look at a 200 m Combat B or a 300 m Solar Marine. What size is it? 43 mm wide, 41 mm lug to lug and 11.3 mm thick (12.3 mm overall), with 20 mm lugs. What color is the lume? Green. The dial uses X1-grade C3 Super-Luminova as part of Lum-Tec's MDV® luminous technology. Where is the RPM 3 assembled? Lum-Tec hand assembles and tests every RPM 3 in Mentor, Ohio, using international and domestic components. The movement is the Japanese Miyota OS20 quartz chronograph.