Ref. 5531R-012, Minute Repeating World Time, Enamel, 18K Pink Gold

Estimate: HKD 5,600,000 – 12,000,000

Sold for HKD 6,750,000

Ref. 25829OR.OO.0944OR.01, Royal OAK Perpetual Calendar, 18K Pink Gold

Estimate: HKD 1,100,000 – 1,800,000

Sold for HKD 1,375,000

Ref. 3448, Perpetual Calendar, 18K Yellow Gold

Estimate: HKD 900,000 – 1,800,000

Sold for HKD 2,500,000

Ref. 3971/E, Perpetual Calendar Chronograph, 18K Yellow Gold

Estimate: HKD 900,000 – 1,800,000

Sold for HKD 2,625,000

Ref. 3970E, Perpetual Calendar Chronograph, 18K Yellow Gold

Estimate: HKD 800,000 – 1,600,000

Sold for HKD 1,500,000

Pièce d’école School Watch Prototype, 18K White Gold

Estimate: HKD 8,000,000 – 18,000,000

Sold for HKD 10,000,000

Ref. 5951P-001, Perpetual Calendar Split Seconds Chronograph, Single-Sealed, Platinum

Estimate: HKD 1,900,000 – 2,950,000

Sold for HKD 4,750,000

Ref. 5971P-001, Perpetual Calendar Chronograph, Baguette Beze, Platinum

Estimate: HKD 1,800,000 – 2,400,000

Sold for HKD 2,250,000