1958 Rolex Oyster Speedking Ref. 6420 – Caliber 1210 – Manual Wind

Up for sale is a vintage Rolex Oyster Speedking reference 6420 dating to the 4th quarter of 1958 (caseback stamped IV 58). This is a classic mid-century manual-wind Rolex with a clean, timeless design.

The watch is powered by the original Rolex caliber 1210 manual movement and is currently running well. Timegrapher readings show strong performance with very low beat error (~0.1 ms), indicating a healthy movement.

Details:

Condition:

The watch shows honest wear consistent with age. The case remains in good vintage condition with visible wear and light scratches. The dial shows attractive patina with aged lume plots.

The movement has been serviced and is running strong.

Gaskets have been refreshed.

Notes:


Returns & Warranty

• 14-day return policy from date of delivery if watch is inoperable or varies significantly from what was described.
• Watch must be returned in the same condition as received.
• Buyer responsible for return shipping.
• No warranty is offered due to the vintage nature of the watch, but it is guaranteed to be in working condition at time of shipment.


Shipping

• Securely packaged and shipped with tracking and insurance.
• Ships within 1–2 business days.


Seller Notes

This is a vintage timepiece and should be treated accordingly. While it has been serviced and is running well, it is not a modern watch and minor variations in timekeeping should be expected.