This Swiss made ACE313 is your perfect everyday watch. Powered by a Swiss chronograph, it features anti-reflection sapphire crystal, an A-grade high polished Êmetal bracelet, 20 ATM and five year worldwide warranty. The watch comes with a screwdriver so you can easily adjust the bracelet yourself. SPECS Swiss chronograph movement Ronda 8040.B Big date Interim time measurement 4 year battery life A grade high polished steel case Made of high grade 316L steel Diameter of the case 45 mm A grade high polished metal bracelet with screwed links Additional links available for larger wrists High quality folded clasp Double layered blue dial with raised metal indexes Anti-reflective sapphire crystal Screwed crown 20 ATM Limited Edition ACE Aternus collection Swiss Made