Stainless Steel Screw Down Crown w/ Tube for Waterproof Watches Stainless steel screw type watch crown and tube comes in 12 different sizes. This crown is designed to replace watch crowns used on quality water resistant watches that have screw down crowns. The size of the crown can be chosen from the above dropdown labeled "Size" the sizes give are all measured by millimeters in the following breakout: Diameter of the Crown (mm) X Diameter of the tube area which goes into the case (mm) X Diameter of the tube which the crown screws onto (mm) X Height of the tube thread (mm) The crown of course can be used without the tube it comes with if the original watch tube on your watch is in good condition or the treading is compatible with the crown. Please see our eBay store for more watch related parts. Check out my other items!Be sure to add me to your favorites list!Shipping Policy:We Ship all orders between 24-48 hours after received payment excluding weekends and holidayWhen buying multiple items there will be a prompt during checkout to "....ask seller for final invoice..." when requested this will send us an alert to combine shipping charges and send an invoice with one shipping chargeAll international packages are shipped USPS First Class International Mail. This service doesn't have door to door tracking but shows a status of "Delivered" in certain areas of the globe. We do not ship to APO, Cambodia, China, Hong Kong, Israel, Macau, Pakistan, Russian Federation, Taiwan, and YemenReturn Policy:We will refund full dollar amount of the any item if the item received is not as described in auction. For all other return reasons the items must be returned within 30 days of receipt date to receive an exchange or refund minus shipping cost and 10% restocking fee. All electronic items; such as batteries, quartz movements and testers are not available for return/refund however these items are QC tested and to ensure proper functionality prior to shipment.Feedback & Resolution:Our feedback is automated; when we receive feedback a computer system generates 1 of 5 random pre-worded feedbacks for the buyer. Please reframe from writing negative feedback or low seller rating scores by contacting us first if there are any issues with your order. We would like the opportunity to remedy the situation and do our best to work with you to resolve your issues.