Black ion-plated stainless steel case with a black leather strap. Black ion-plated bezel. Black dial with black steel hands and index hour markers. Arabic numerals mark the 3, 6, 9, and 12 o’clock position. Minute markers. Tachymeter scale appears around the outer rim. Date display appears between the 4 and 5 o’clock position. Three : 24 hours, 60 minutes, 60 seconds sub-idlas. Quartz movement. Scratch resistant sapphire coated mineral crystal. Case diameter : 50 mm. Deployment clasp. Water resistant at 100 meters/ 330 feet. Functions : hours, minutes, seconds, calendar, chronograph, tachymeter, GMT. TW STEEL Canteen Cool Black Black Dial Chronograph Mens Watch TW821.