Rolex Sea-Dweller 43mm, Ref# 126603-0001

🔹 Overview:
The Rolex Sea‑Dweller 43 mm Ref. 126603‑0001 is a prestigious two‑tone professional diver’s watch crafted in a combination of Oystersteel and 18 ct yellow gold (Rolesor). While maintaining the Sea‑Dweller’s legendary deep‑sea capability, it adds a touch of luxury through premium materials, making it both rugged and refined.

💎 Key Specifications:
Origin: Switzerland
Gender: Men’s / Unisex
Case Diameter: 43 mm
Case Material: Yellow Rolesor (Oystersteel + 18 ct Yellow Gold)
Bezel: Unidirectional rotatable 60‑minute graduated bezel; black Cerachrom ceramic insert with numerals and graduations coated in gold
Dial: Intense black, sunray‑finished, with Chromalight luminescent markers and hands for long‑lasting blue glow
Hour Markers: Large applied indexes and Mercedes‑style hands in yellow gold, filled with Chromalight
Bracelet Type: Oyster bracelet with solid three‑piece links in steel and yellow gold; Oysterlock safety clasp with Glidelock extension system for quick adjustments
Glass: Scratch‑resistant sapphire crystal with Cyclops lens over the date at 3 o’clock
Water Resistance: 1,220 m / 4,000 ft, equipped with helium escape valve and Triplock triple waterproofness system

⏱️ Movement:
Type: Perpetual, mechanical, self‑winding
Caliber: Rolex Calibre 3235, in‑house manufacture
Power Reserve: Approximately 70 hours
Hairspring & Shock Protection: Paramagnetic blue Parachrom hairspring and Rolex‑patented Paraflex shock absorbers for exceptional reliability in extreme conditions

Functions:

• Hours, minutes, seconds

• Instantaneous date at 3 o’clock with rapid‑set

• Stop‑seconds for precise time setting

✅ Highlight Summary:
The Rolex Sea‑Dweller Ref. 126603‑0001 blends the robust, purpose‑built design of a professional dive watch with the elegance of yellow gold. Its 43 mm Rolesor case, black ceramic bezel, and Chromalight display ensure visibility and durability even in the harshest underwater environments. Powered by the Calibre 3235 with a 70‑hour power reserve, it delivers exceptional accuracy and performance. The Oyster bracelet with Glidelock extension provides secure comfort both above and below the surface — making it a perfect choice for divers and collectors who appreciate both function and luxury.

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