micro
255
I'd guess 2892a...but only because that's what I had in mine some years ago
As to whether it's a fake or not, the best thing is to contact Hublot with the serial number.
The famous Hublot Genta!
By: dr.kol : March 14th, 2012-22:41
This is a legendary model. It's the first one people do not mix only to Audemars Piguet Royal Oak but some also to Patek Philippe Nautilus. Why to buy Royal Oak or Nautilus when this watch covers both! The standard Hublot are just inspired by Royal Oak......