For links with spherical or flat pins, just thrust out the connecting pins with a tack or removal tool. Then, remove the links and reinstall the pins to lock them in position. Apple Watch Ultra is usually suitable with 45mm bands, but 45mm bands should only be worn for everyday, https://travisvkxkx.therainblog.com/26399463/not-known-facts-about-galaxy-watch-band-22mm