H1821CHATNO. Men's Mathey-Tissot automatic chronograph watch with black dial. Features luminous silver-tone hands, Arabic numeral hour markers and minute markers on the outer rim. Includes day of week display and date at 3 o'clock position. Equipped with two sub-dials: one for 30-minute measurement, another for 12-hour chronograph function. Powered by ETA/Valjoux Caliber 7750 automatic movement containing 25 jewels; beating rate 28,800 vph (likely a typo, should be 'batteries' or 'beats' per hour); power reserve approximately 44 hours. Scratch resistant sapphire crystal lens. Stainless steel case with fixed bezel and solid case back, dimensions: 42mm diameter x 11mm thickness. Comes with stainless steel bracelet measuring 20mm width and fold-over clasp including safety release mechanism. Water resistant to 50 meters / 165 feet.
