M21  Tungsten Carbide. LUM-TEC MDV 8 layer Super-luminova application. Swiss made 17 jewel ETA 6498-1 handwind movement with blued screws, geneva stripes, polished gears, rhodium plating, and extremely precise timing regulation. blue sunray dial. Sapphire caseback.

44mm  width excluding crown.
24mm lug width.
Solid scratch and heat resistant Tungsten (wolfram) Carbide case.
Micro polished finish.
Sapphire crystal with double side Anti-reflective coating.
Screw lock crown with double diamond sealing system.
Threaded caseback.
100 meters/330 ft. water resistance.
3 straps included:
Shell cordovan leather strap. 24/22 size.
Custom molded anti static rubber strap. 24/22 size.
Tungsten carbide bracelet. 24/22 size.
Extra springbars included for fitting other straps.
Limited numbered series of 150.
Swiss made movement.
One year limited warranty.
Free lifetime timing adjustments.