Audemars Piguet Royal Oak 15500STvsVacheron Constantin Overseas 4500V

Both are excellent watches with different strengths. The Audemars Piguet Royal Oak 15500ST offers comparable sizing and costs less new. The Vacheron Constantin Overseas 4500V excels in water resistance. The best choice depends on your wrist size, budget, and preferred aesthetic.

The Audemars Piguet Royal Oak 15500ST retails for $24k–$26k, while the Vacheron Constantin Overseas 4500V is priced at $28k–$32k. Pre-owned, expect $35k–$50k and $22k–$30k respectively. Actual secondary market prices vary based on condition and demand.

The Audemars Piguet Royal Oak 15500ST has a 41mm case diameter with 10.4mm thickness, while the Vacheron Constantin Overseas 4500V measures 41mm × 11mm. Both have lug-to-lug measurements of 48mm and 48mm respectively. Consider your wrist size and wear style when deciding.

The Audemars Piguet Royal Oak 15500ST is water-resistant to 50m, while the Vacheron Constantin Overseas 4500V offers 150m. Both are suitable for swimming and snorkeling at their respective depths. For professional diving, verify the rating exceeds 300m and includes a screw-down crown.

The Audemars Piguet Royal Oak 15500ST uses a automatic Cal. 4302 with 60 hours power reserve. The Vacheron Constantin Overseas 4500V features a automatic Cal. 5100 with 60 hours power reserve. Both offer traditional mechanical craftsmanship.

Audemars Piguet and Vacheron Constantin both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $35k–$50k for the Royal Oak 15500ST and $22k–$30k for the Overseas 4500V. Condition, service history, and box/papers significantly impact resale value for both models.