These fit the bill. I purchased a Bonetto Cinturini Italian Rubber watch band. The bands holes for spring bars were a touch sloppy and looked like they could handle the 2.5 mm spring bars. It was a tight fit, but worked really well!
I’ve been buying all of my “fat” spring bars from Holben’s for a number of years now and have never been disappointed. The quality and consistency of this superior product stand up to abuse and will serve you well.
The perfect size spring bars for my Seiko diver watches that need the larger 2.5 MM
wide bars... fits both stainless steel/ rubber bands…
Arrived quickly. Was what I expected. Easy to install. Just wanted to replace the flimsy spring bars that came with some of my watches.
These are probably too thick for metal bracelets, work well in leather bands that feel "floppy" where they attach to the watch head.