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

Estimate: HK 5,600,000 – 12,000,000

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

Estimate: HK 1,100,000 – 1,800,000

Ref. 3448, Perpetual Calendar, 18K Yellow Gold

Estimate: HK 900,000 – 1,800,000

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

Estimate: HK 900,000 – 1,800,000

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

Estimate: HK 800,000 – 1,600,000

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

Estimate: HK 8,000,000 – 18,000,000

Split-Seconds Chronograph, Cased by Tiffany, More than 100 years old, 18K yellow Gold

Estimate: HK 1,800,000 – 2,800,000

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

Estimate: HK 1,900,000 – 2,950,000

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

Estimate: HK 1,500,000 – 2,700,000

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

Estimate: HK 1,800,000 – 2,400,000