Product Specifications Specifications : Case Diameter: 48mm approx. Case Thickness: 13.5mm approx. Band Length: 220mm approx. Band Width: 24mm approx. New Weight: 120g approx. Features: Style: Fashion & Casual Quartz Watches Display: Analog Display Movement: Quartz Movement High quality Quartz Movement. High Hardlex Glass. Leather Strap Function： Minute dial (the Left one): 1 circle = 1 hour Second dial (the bottom one): 1 circle = 1 minute 24 hours dial (the Right one): 1 circle = 24hours How to use the chronograph? 1. Press the first button on the right (only press one time) to start the chronograph, you can see the top middle small dial (marked 1) will walk, and after it walks 1 second, the bottom middle small dial (marked 3) will start to work. 2. Press the first button on the right (only press one time) , the 3 small dials will stop. 3. Press the last button on the right (only press one time) , the 3 small dials will back to the "0"/"60" position. 4. Calendar Window: date (The date is factory-set, please adjust the date before use. Water Resistance Depth 30 m, NOT for water-related work use Waterproof: This MEGIR mens watch is with 3 ATM waterproof, but it doesn't support swimming and take shower. And hot water is unavailable. Luminous Function: Luminous: Take the watch under the sun or flashlight about 30 seconds, then take the watch to a dark place, you can see the luminous on the watch face. Best Gifts for Men And it's a very nice gift for your father, husband, boyfriend, brothers, friends, colleagues, classmates, etc. No matter it's for old or young gentlemen, you can always find this quartz chronograph watch is a great gift idea. Read more MEGIR Men's Chronograph Watches Military Sports Quartz Analog Wristwatches MEGIR Men's Military Sports Chronograph Watches for Men with Silicone Strap MEGIR Sport Men's Casual Analog Quartz Watches with 3ATM Waterproof Luminous MEGIR Mesh Band Watches MEGIR Men's Sport Quartz Watches with Chronograph Luminous Auto Calendar MULTIFUNCTIONAL MEN'S SPORT WATCH Chronograph ✓ ✓ ✓ ✓ ✓ Luminous ✓ ✓ ✓ ✓ ✓ ✓ MULTIFUNCTION ✓ ✓ ✓ ✓ ✓ WATERPROOF 3 ATM 3 ATM 3 ATM 3 ATM 3 ATM 3ATM DATE ✓ ✓ ✓ ✓ ✓