The ends are straight 5/8" (15.6mm).
Works on a fixed-lug or spring bars watch.
Spring bars are included.
The length at the spring bars is 5" (127mm).
This is a great design: the band has approximately 1" of stretch for comfort. The levers on each end open to install over spring bars or fixed lugs. To put the watch on wrist, one end is detached from the watch, band is wrapped around wrist, end is installed on solid lug or spring bar, close the lever.
