Stainless steel case with hardening coating to a minimum of 800 vickers, color matched GMT window, concave dial eliminating all shadow, pull-out crown for 100m of water resistance, indices filled with 0.4mm BGW9 Grade A Swiss Super-LumiNova, 9mm thickness, Ronda 515.24 movement, 38 month battery life and a full 16 layers of AR coating on the sapphire crystal with a sapphire coating for additional protection. The ARK GMT gives everything you might want in a field watch. 

Note for straps: The straps provided for the ARK GMT do not accommodate a wrist larger than 7.5″, if your wrist is larger than 7.5″, please leave a note in the checkout or contact us at info@swcusa.com and we will be sure to give an alternate strap. Thank you for your understanding.