| Feature | Specification |
|---|---|
| Model Name | Rolex Deepsea Sea-Dweller |
| Reference Number | 116660-2 (Black Dial) |
| Case Material | 904L Oystersteel stainless steel |
| Case Diameter | 44 mm |
| Case Thickness | ~17.6–18 mm |
| Crystal | Domed scratch-resistant sapphire (~5.5 mm thick) |
| Dial Color | Black with highly legible markers |
| Bezel | Unidirectional rotatable Cerachrom ceramic bezel with 60-minute scale |
| Movement | Rolex Caliber 3135 — automatic |
| Power Reserve | Approx. 48 hours |
| Functions | Hours, minutes, seconds, date at 3 o’clock |
| Water Resistance | 3,900 m / 12,800 ft (Ringlock System) |
| Helium Escape Valve | Yes — for saturation diving |
| Bracelet | Oystersteel bracelet with Oysterlock clasp, Glidelock + Fliplock extension |
| Lume | Chromalight long-lasting luminescence |
| Certification | Superlative Chronometer (Chronometer + Rolex in-house tests) |
| Quality | AAA+, Superclone |
|---|




