That first link mention this feature: “Auto-calendar out until the year 2099, the watch does not have to be adjusted for the number days in month even leap yea

That first link mention this feature: “Auto-calendar out until the year 2099, the watch does not have to be adjusted for the number days in month even leap year until 2099” Amazing! (That they dare list that as a feature, not that it seems to have a bug for 2100, which won’t be a leap year)