Sea-Dweller Oystersteel (126600)

The Rolex Sea-Dweller 126600 stands out because it combines professional diving features with luxury design. It offers deep water resistance, a strong automatic movement, and excellent durability. Rolex also gave it a larger 43mm case and the famous Cyclops date lens, making this model unique in the Sea-Dweller line.

The Rolex Sea-Dweller 126600 has a bold and clean design. The black dial looks sharp and easy to read in any light. Rolex uses large luminous hour markers and Mercedes hands that glow brightly underwater. The 43mm Oystersteel case feels strong and solid on the wrist. The watch also features a thick sapphire crystal with a Cyclops lens over the date window, which was added for the first time on a Sea-Dweller model. The Oyster bracelet feels comfortable and secure, and the Glidelock clasp allows quick size adjustments without tools.

Inside the watch is the Rolex Caliber 3235 automatic movement. This movement offers excellent accuracy, reliability, and power reserve. It runs for about 70 hours when fully wound. Rolex also includes its Chronergy escapement, which improves efficiency and durability. The movement is certified as a Superlative Chronometer, meaning it performs to very high precision standards. The Sea-Dweller 126600 also has a helium escape valve, which helps protect the watch during deep-sea diving.

The Sea-Dweller line began in 1967 when Rolex created a professional dive watch for saturation divers. Unlike the Submariner, the Sea-Dweller could handle much greater depths and included a helium escape valve. The reference 126600 arrived in 2017 to celebrate the model’s 50th anniversary. Rolex increased the case size to 43mm and added the Cyclops lens, giving the watch a fresh modern look while keeping its strong tool-watch heritage. Today, the Sea-Dweller 126600 remains one of Rolex’s most respected professional dive watches.

The watch appears in very good condition with light signs of wear on the case and bracelet. The dial looks clean, and the hands and markers remain sharp. The bezel and crystal in prefect condition consistent with careful regular use.

What do the different grading scores mean?

• BN 9.9: Brand new and unworn, with no signs of use.
• UN 9.5: Like new and unworn, but may lack original packaging or materials such as the box, links, tags, or bezel protector.
• LN 9.0: Like new and unworn, but only includes the watch without papers, box, or accessories.
• MT 8.5: Mint condition, lightly used with minor surface scratches or wear. Unpolished.
• VG 8.0: Moderately used, with scratches and one or two nicks on the case or crystal. Shows signs of polishing. The bracelet remains snug with minimal wear.
• GD 7.5: Shows signs of daily wear but is not abused, with noticeable polishing on the case. The bracelet shows clear signs of daily wear.

Watches with a rating below GD 7.5 are not listed for bidding to ensure that only high-quality timepieces are available to our members.