Originally Posted by
kevincrumbs
I would only consider this if OP holds a HKID card. If not, it seems to cut a bit too close that the slightest cock up will potentially cause a missed connection.
I've done it once, some yrs back: 4 hour turn-around time. Met biz associates for important but short meeting at Citygate. And I hold HKID, had boarding pass for connecting flight.
Plenty of time to spare - no immigration lines in or out, only 'long line' was security at departure.