ProTek Field Series 3005

Swiss self-powered ProGlo T25 illumination system is 100X brighter than conventional lume and glows continuously for 25 years without a need to be "charged" by an external light source.   40mm Medical Grade Titanium Case and Embossed Titanium Screw Caseback. Weight: 48.4 grams. Case Thickness: 11mm Titanium Push Crown with Multiple O-rings Sapphire Crystal with Antireflective Coating  Water Resistant to 100 Meters  Dependable Japanese Quartz Citizen/Miyota Super 2035 3 Hand Movement with 4-Year Battery Waterproof Genuine Italian Leather Strap (20mm x 18mm)