Check the listing for details. NOS 16 Size 9mm Tap 1 White Pocket Watch Crown. Condition: New without tags. Listed at 19.95 USD. This is a listing for a NOS 16s white pocket watch crown that has an outer diameter of 9mm, an inner diameter of 5.7mm, is 4.5mm thick and has a tap size of 1. This is in excellent unused condition. Please see my other listings for similar items. * Payment is requested within 24hrs of purchase. I do offer combined shipping. For small items such as watch parts, if they don't change the shipping weight of a package substantially then I will ship them at no additional cost. If you purchase an item that has free shipping then I will ship any additional items at no additional cost. Please request an invoice prior to payment. Due to changes in Ebay's returns process I am no longer able to refund shipping overcharges once payment is received.