PROMASTER TOUGH Test 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. Caliber number B612. TYPE Mens, Strap DIAL Black CASE SIZE (MM) 44 CASE MATERIAL Black, SS with Surface Hardening Treatment WATER-RESISTANCE WR200/20Bar/666ft [Swimming, Showering & Snorkeling] CRYSTAL Anti-Reflective Sapphire Crystal FUNCTIONS B612, 1/5 Second Chronograph Measures up to 60 Minutes, 12/24 Hour Time, Date Please Note: This model shows a dent on the case. Functionally, the watch is in perfect condition. For further details or additional photography, please contact us. *This item is STORE DISPLAY MODEL and will come with the original box and papers. We are authorized CITIZEN dealer, which means you will receive the manufacturer's warranty with your purchase.