Magnetic resistance 4,800A/m. Tri-fold push button release clasp LumiBrite hands and markers. Screwdown caseback. Caliber 8X22. Black Ceramic Bezel. Titanium Case with black super hard coating. Caliber 8X22 is a
ASTRON COLLECTION: Astron is the first watch to automatically recognize all time zones on Earth. With the touch of a single button, Astron adjusts to the correct local time everywhere