Ref. 6000 (the regular version) has been in the Patek catalog for a few years, and indeed the 5212 has inherited some features from it...plus of course the peculiar addition of a weekly calendar complication ;-) Cheers.
10th anniversary of Patek entering the China 🇨🇳 market. 25 pieces of R and 25 pieces of G. Also 5 pieces in R and 5 pieces in G for the ladies 4897. ...