Good find .... these are the Chinese versions of the "Audemars Royal Oak Time for the Trees" Limited Edition from 1999-2000
Some specs of the gen:
Ref. 15 100ST
Cal. 2225
Case style: Royal Oak "standard size" - 36mm
Case material: Stainless Steel
Comments: Limited Eition of 450 pieces in SS, LE 50 pcs in YG.
Wear it in good health,
Dr. Theo
OK, saw the caseback ... better closed than seeing the crappy movement
P.S.: Can we see a caseback-shot please!!!???