Creative Design With a silver color rectangle watch case and black dial, black leather strap, makes this square men watch look very classic and stylish. Workable Chronograph There are 3 small dials which parts of the chronograph function, all the pointers are workable. Various Styles MEGIR men's wrist watches are compatible with many different kinds of cloth styles, like business suits, causal clothes, sports wearing, dating dress, hip hop, or party style. 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. 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. Waterproof & Luminous: 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: 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. Please note: All the parameters above are just for reference. As the parameters are measured by hands, there may have some little differences with the real products. Please understand. Men watch BD2028 Military watch man BD2061 Business watch BD2085 Sport swatch BD2063 Men's wrist watch BD2081 Chronograph watch BD2097 Case shape Rectangle Rectangle Round Round Round Round Strap material Leather Leather Leather Silicone Leather Silicone Case size 38*47mm 4*55mm 46*54mm 46.5*53mm 48*56.5mm 49*56mm Watch wearable length About 220mm About 221mm About 215mm About 230mm About 225mm About 230mm Chronograph function ✓ ✓ ✓ ✓ ✓ ✓ Luminous function ✓ ✓ No ✓ ✓ No Calendar date ✓ ✓ ✓ ✓ ✓ ✓