MONDAINE SBB CFF FFS Men's Wristwatch Official Swiss RAILWAYS WATCH Mondaine Swiss Railway Watch Case size: Approximately 3.7cm Used item, sold as is. May have scratches, stains, signs of use, and age-related deterioration. Currently not working. The strap is likely a third-party product. We have no record of overhaul or maintenance. Therefore, we are selling it as a junk item. Please understand the above and only purchase if you are able to handle the item.