* Case approx.: 30x43 mm * Thickness approx.: 11 mm * Belt size: 200 mm, width approx.: 21 mm Thank you for viewing. This is a very rare ROTARY reversible tank watch, produced as a limited edition of 1100 pieces worldwide. The serial number is "0007/1100", a very auspicious and valuable single-digit number, known as lucky seven. The biggest feature is the two-screen design that can be used to suit your mood, with one side featuring a mother-of-pearl dial and the other a black dial with a small second hand, making it a very elegant piece. It is Swiss-made with a precise construction and is currently working without any problems, so I would like to sell it to those looking for a special number or collectors. If you have any questions or any small inquiries, please feel free to comment. Also, if you have a price reduction request, please let us know the desired amount, and we will be able to discuss it smoothly. * Because this is a vintage item, it may require battery replacement, repairs, or overhaul in the future. Also, it is not recommended for those who are sensitive to the condition of vintage items, such as scratches and dust. * Returns are not accepted to avoid fraudulent activities related to repair costs and parts replacement. We also do not accept any claims after purchase. Since this is a used item, even if the waterproof performance is stated, we recommend that you do not expose it to water. In the unlikely event that water enters the watch, we cannot be held responsible, so please understand. By pressing the purchase button, you agree to all of the above conditions. * Also, this watch is also sold on other sites, so if two people purchase it at the same time, we will ship it to the person who paid first, so please understand.