PROMASTER TOUGHDetailshttps://www.citizenwatch.com/us/en/product/CA0727-12E.html☆☆☆☆☆☆☆☆☆☆5 out of 5 stars. Read reviews for 5.0 (4) Write a review . This action will open a modal dialog.$440.00MSRP $550.00Test the extremes with the CITIZEN Promaster Tough series now featuring chronograph and 12/24-hour time. Living up to its name this timepiece features shock resistance and anti-magnetism. A black ion-plated stainless steel case with CITIZEN's proprietary Duratect surface hardening coating allowing for anti-rust scratch resistance hypo-allergenic and 5X harder than stainless steel. Other features include camo patterned ballistic nylon and polyurethane strap black dial anti-reflective sapphire crystal super LumiNova hands and markers and ability to function in extreme temperatures. Featuring our Eco-Drive technology powered by light any light. Never needs a battery.