Top 20 Vintage watches for investment

 1. Patek Philippe 1518 Perpetual Calendar Chronograph

2. Patek Philippe 2499 Perpetual Calendar Chronograph

3. Patek Philippe 3970 Perpetual Calendar Chronograph

4. Audemars Piguet Royal Oak 5402ST or 5402BA Jumbo

5. Rolex Paul Newman Daytona 6263, 6265

6. Rolex Submariner 1680 single Red

7. Rolex GMT-Master 1675, 16760 fat lady

8. Vacheron Constantin Chronograph Ref. 4240

9. Vacheron Constantin Ref. 4072, Overseas 42042 creamy white, Salmon and blue.

10. Rolex Daytona 16520

11. Patek Philippe 1526 Perpetual Calendar

12. Patek Philippe 3940 Perpetual Calendar

13. Audemars Piguet Jules Audemars Moonphase

14. Rolex Ref. 6036 "Jean-Claude Killy" triple calendar

15. Patek Philippe Ref. 2497 perpetual calendar chronograph

16. Patek Philippe Ref. 1591 perpetual calendar chronograph

17. Vacheron Constantin Astronomical Grand Complication No. 4 261

18. Rolex Ref. 6062 "Star Dial" triple date moon phase

19. Patek Philippe Ref. 1563 chronograph

20. Audemars Piguet Ref. 5402ST Royal Oak "A Series"

 This is based on factors like rarity, condition, and how coveted certain references are among vintage watch collectors and investors. Prices for mint condition examples of these watches could be very high, often in the hundreds of thousands or even millions of dollars.

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