i don't know specificially about smartwatches but electronics its 40%, after the whole aliexpress ban thing... https://forum.pine64.org/showthread.php?tid=13937&pid=96584#...

i remembered this reading it back when i was looking for the machine. didn't bother with it, apparenlty pine64 people don't try to do this themselves to india, they do have a reseller that sells at a high margin though