The spring bars are custom made to the exact tolerance, size and quality that Tudor uses.
Premium Stainless Steel Spring Bars For Tissot PRX Watches 11mm 12mm Pair (2pcs)
1.8mm WATCH SPRING BARS FOR VINTAGE OMEGA FOR LONGINES BUCKLES SINGLE SHOULDER
Spring Bars for Rolex Submariner & GMT Master Stainless Steel 20mm
Premium Watch Strap Spring Bars Pins -2x Standard 1.8mm Diameter Stainless Steel
5 x Watch Strap Spring Bars 20mm Stainless Steel Pins Premium Quality Universal
Curved Spring Bars - 2-Pack 1.8 Diameter - Premium Bent Watch Pins 18 to 23mm