Rolex Steel and Yellow Gold Sea-Dweller 43 - Black Dial - Oyster Bracelet — Ref. 126603
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Reference 126603 is the Rolex Steel and Yellow Gold Sea-Dweller 43. The Sea-Dweller was built for professional saturation divers and has a helium escape valve and a unidirectional rotatable bezel. The 43mm case is made of Oystersteel and 18k yellow gold. Rolex has combined steel and gold this way since 1933 and calls it Rolesor.
Its black dial sets the tone for the whole watch. Around the dial sits a unidirectional rotatable bezel with a Cerachrom ceramic insert and luminescent zero marker. The case is paired with the three-piece-link Oyster bracelet.
It is powered by the self-winding Rolex caliber 3235, with roughly 70 hours of power reserve. Every movement of this generation is tested as a Superlative Chronometer, accurate to within −2/+2 seconds a day. The screw-down crown and sapphire crystal keep it water resistant to 1,220 meters.
Available now at Diamond Club Jewelry Miami — every timepiece is 100% authenticated by a watchmaker and verified before sale. Visit our Miami showroom or contact us to see this watch in person.
| Reference | 126603 |
| Case | 43mm Oystersteel and 18k yellow gold |
| Dial | Black Dial |
| Caliber | 3235, manufacture Rolex |
| Power reserve | ~70 hours |
| Functions | Hours, minutes, seconds, date |
| Bracelet / Strap | Oyster Bracelet |
| Water resistance | 1220m / 4,000ft |
Best Deal Guarantee
At Diamond Club Miami, we ensure you receive the best value on luxury watches. Our commitment goes beyond just offering competitive prices. We prioritize genuine quality and exceptional craftsmanship, ensuring you acquire a truly fine timepiece. Additionally, enjoy complimentary domestic shipping as our standard service. With Diamond Club Miami, you always get the best deal.
Authenticity Guarantee
Each of our watches undergoes meticulous inspection by a master watchmaker, ensuring authenticity. If we enhance a pre-owned watch with a customized bezel, gem, or other adornment during restoration, we will fully disclose these modifications. Such enhancements are standard in the industry and often result in increased value. Your satisfaction and trust are our top priorities.

