If you own a Swiss watch bracelet by NSA with the type of clasp shown in the photos or my many other NSA bracelet listings on EBAY, this is a very rare original part for that band: the small spring inside the clasp. These are very precisely machined. Using cheap replacement parts will cause you to risk failure of your bracelet and potential damage to your watch. These are 1960s/70s New Old Stock replacement springs from an original Swiss NSA bracelet supplier. This is the part that enables the clasp to “give” a bit, flexing in and out. Without it, your band won’t stay tight on your wrist and you’ll risk losing or damaging your vintage watch. Valuable spare, as shown by the 64 purchases of this rare spare part here on EBAY already. You might want to buy a few and get some spares, while these are still available. We have the exclusive supply. This part of the NSA bracelet’s design is what makes these special NSA bands so comfortable. The spring sets the tension perfectly all of the time. If your spring is broken or jammed, your bracelet will stay loose; the clasp will slide back and forth a bit. You can install this spring yourself in about 5 minutes with nothing more than a pushpin for a tool. This spring is 16mm across and 15mm top to bottom. This auction is for one (1) spring that is an original Swiss Made part for NSA bands that fits inside the latch part of the clasp of the bracelet as shown in the photo. This will fit only NSA bracelets from the 1960s and 70s. Check your needs carefully there are No Returns on watch parts sales.ALSO NEED THE PIN? If you also need the pin that holds in the spring, that part is sold separately as item 164636622547 put the number in the Search box to see that part auction. It is a good idea to refresh that part with an NOS original and change both the spring and the pin at the same time. This is a critical spare to have for your rare collection watches in case the spring goes bad on your 40- to 50-year-old watch, since substitutes do not work properly. NEED A SIZING TOOL TO ADJUST YOUR NSA BAND LINKS?We sell a very useful inexpensive bracelet sizing tool to work on pushing out NSA bracelet links for just $34.99 in auction 133496776556 put the number in the Search box to buy that handy watchmaker’s tool. Every watch collector should own one. There is no extra shipping charge for the tool if you buy another item from Squinky at the same time. SEE OUR COMPLETE NSA BAND SECTION: This is the style of clasp on many rare vintage watches. NSA in Switzerland made bracelets for many other famous brands. We have many of the complete NSA bands for sale, as well as the long type clasp spring, spare links, spare end pieces, complete clasps and link pins. We also specialize in the repair of these NSA bracelets as well, if you have one that needs to be restored. Buy with confidence from a seller with more than 18,000 positive feedbacks on EBAY since 1998 and a member of the NAWCC watch collector’s association since 1997.
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