Stainless case 43mm. Digital & Analog watch which features 1/100th Second Chronograph, Countdown Timer (99 days max), Alarm, 2nd Timezone with independent alarm, UTC universal Times, and Backlight for the digital display. Luminous Hands and Hour Markers & Backlight. Movement is a COSC Certified Quartz Movement (unusual for quartz movements) making the watch extremely accurate.