Product Management Number: 4927 Simple and stylish black mesh analog wristwatch. - Brand: REBIRTH - Color: Black - Strap Material: Mesh - Dial Design: Simple lines - Style: Analog Crown operational. Since the operation has not been confirmed with a battery installed, it will be treated as a junk item. As this is a purchased item, we do not know further details. Please refrain from purchasing if you have any concerns. Returns and refunds are not possible after purchase. Please examine the images carefully before purchasing. Thank you for viewing.