LUM-TEC M72-S (40mm) and M72 (44mm) Watch

M72-S Specs: 40mm width excluding crown 22mm lug width 12mm thick M72 Specs: 44mm width excluding crown 24mm lug width 12mm thick 316L stainless steel case High tech Viton® gasket Precision screw down crown with double diamond sealing system Bead blasted titanium carbide PVD hard coating Sapphire crystal with clear anti-reflective coating Threaded stainless steel caseback 100 meters/330 ft. water resistance 2 straps included: Leather strap with matched stitching and quick release changing system. 22/22 size Custom molded anti static rubber strap. 22/22 size Extra spring bars included for fitting other straps Heavy duty quartz chronograph movement Japanese made Miyota FS20J movement One year limited warranty Limited numbered series of 100 Free lifetime battery replacement service