Royal Oak Double Balance Wheel skeleton: gold wristwatch ref. 15467OR.OO.1256OR.01 

18k rose gold case and bracelet, skeletonized, with visible automatic mechanical movement, double balance with gold oscillating weight, finely worked.
Accompanied by original case and counter case. Ref. 15467OR.OO.1256OR.01, case back identifier J87170.
Case size 37 mm. Total gross weight 177 g.
Item condition grading: ***** excellent, fully functional.
Prague, auction No. 308 _ September 19th 2024, Lot No. 120.