The Personalized Black Matte Pocket Watch by My Personal Memories is a unique and stylish timepiece perfect for groomsmen or as a Father's Day gift. The sleek black case with a matte finish adds a modern touch to the classic pocket watch design. The unisex adult department makes it suitable for anyone, and the personalized engraving details add a special touch to the gift. Choose the font and text to be engraved to make this pocket watch a truly special and meaningful present for any occasion. Have not tested it. So don’t know if it works. Beautiful watch.