Rolex Sea-Dweller 126603 43mm Steel Yellow Gold Black Dial Box Papers 2020
Rolex Sea-Dweller 126603 43mm Steel Yellow Gold Black Dial Box Papers 2020
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Specifications
Product Description
ROLEX 126603 SEA-DWELLER 126603 STEEL YELLOW GOLD BLACK DIAL 43MM - BOX AND PAPERS
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- Reference: 126603
- 43mm Oystersteel and 18k yellow gold case
- Black dial with Chromalight luminous hour markers and hands
- Calibre 3235, automatic, 70-hour power reserve
- 1220m water resistance
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Contents: Watch, double box set, 2020 warranty card, manuals, and a fully linked steel and gold Oyster bracelet. One-year service warranty included via Bo Knows Luxury, LLC!
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Condition: Excellent pre-owned condition with light wear on the case, bezel, and bracelet. Protective covering has been installed on the clasp to prevent scratching. This timepiece has been professionally pressure-tested and validated to confirm all functions operate correctly, and that the watch’s movement is running strong.
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I am a US Air Force veteran with hundreds of successful deals completed across various watch enthusiast forums, and via my network. I am always happy to share references or testimonials with any interested buyers.
Brand: Rolex
Model: Sea-Dweller Steel and Gold Black Dial
Reference: 126603
Case Material: gold and steel
Bracelet Type: N/A
Bracelet Material: gold steel
Size: 43mm
Dial Color: black
Bezel Material: ceramic
Bezel Type: N/A
Date: 2020
Condition: Pre-owned
Included Items: Watch with original box and papers
Movement: automatic
Crystal: N/A
Water Resistance: over1200m
Stock ID: 903DK
Authenticity Guaranteed
Every timepiece offered by Bo Knows Luxury, LLC undergoes a thorough, multi-point inspection process prior to being listed. Each watch movement is examined, pressure tested to verify water resistance & gasket integrity, and carefully monitored to ensure timekeeping performance falls within original factory specifications. We stand behind the authenticity and mechanical excellence of every watch in our inventory, and want our clients to have complete confidence in their purchases.
Shipping Information
Domestic Shipping
Complimentary Shipping: Enjoy free FedEx Express shipping on all orders within the contiguous United States.
Prompt Dispatch: Orders for in-stock items are processed and shipped within 1-2 business days, provided payments are verified before 2 PM EST.
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General Shipping Information
Thorough Inspection: Every timepiece is meticulously inspected by our experts before shipment to ensure it meets our quality standards.
Secure Packaging: Your order is carefully packaged with premium materials to protect it during transit.
Delivery Confirmation: A signature is required upon delivery to ensure your watch reaches you safely.
Sales Tax: Applicable sales tax will be calculated on the order total, including shipping and handling, for deliveries within Virginia, USA.
For international shipping inquiries or to confirm specific delivery timeframes, please contact our customer service team.
Warranty Information
Warranty coverage is included with every purchase through Bo Knows Luxury, LLC. Watches with remaining factory warranty are backed by the original manufacturer service warranty (Panerai "PAM Guard" 8 year warranty for example), while all other pieces include our 12-month in-house service warranty performed by Swiss-trained master watchmakers. Please inquire about the specific warranty details for any timepiece of interest.
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Our Promise 100% Authentic Products, 100% of the time
All of our products are fully authentic and we personally guarantee their authenticity. Each product goes through rigorous testing and checkup to ensure of that. To learn more, watch the following YouTube video, or visit our Authenticity page.
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Frequently Asked Questions
How does the Rolex Sea-Dweller 126603 differ from the all-steel 126600?
The 126603 is the two-tone variant of the Sea-Dweller, combining Oystersteel with an 18ct yellow gold bezel and Oyster bracelet with alternating steel and gold links, while the 126600 uses steel throughout. Both share the same 43mm case, Calibre 3235 movement, 1220m water resistance, and ceramic bezel insert. The two-tone configuration positions the 126603 closer to the Submariner Date 126613LB in terms of aesthetic character, appealing to buyers who want dive watch credentials with a dressier presence.
What makes the Rolex Calibre 3235 significant in the Sea-Dweller 126603?
The Calibre 3235 is Rolex's current-generation in-house movement, introduced in 2015, featuring a Chronergy escapement that improves efficiency by roughly 15% over its predecessor, a Parachrom hairspring for shock and magnetic resistance, and a 70-hour power reserve. It is certified as a Superlative Chronometer to a standard of plus or minus 2 seconds per day, tighter than the COSC standard. For buyers comparing pre-owned Sea-Dwellers, the 126603 with Cal. 3235 is meaningfully more capable than older references using the Cal. 3135.
Is the Rolex Sea-Dweller 126603 a practical daily watch or primarily a collector piece?
The 126603 is fully functional as a daily watch despite its collector appeal. The 1220m water resistance exceeds the needs of recreational diving, the Chromalight dial luminescence is among the most effective in the industry, and the Oyster bracelet with Glidelock clasp adjusts for wetsuit wear. The two-tone configuration does attract more attention than the all-steel 126600, which is worth considering for buyers who prefer an understated daily driver, but it wears the same on the wrist.