| Grade | Genuine Watch | AAAAA Clone | AAA Replica | A Replica |
| Movement | Genuine movement | Swiss movement | Japanese Movement | Taiwan Movement |
| Time Accuracy | -3/+5 sec per day COSC certified | -5/+6 sec per day COSC certified | -10/+10 sec per day COSC certified | -1/+2 min per day COSC certified |
| Stainless Steel Type | Brand-specific (e.g., 316L steel, titanium, ceramic) | Claims “same materials” (usually 316L steel with plating) | 316L steel or alloys | Low-grade alloys or stainless steel |
| Logo & Markings | laser etchings | Sapphire crystal correct date magnification | Sapphire crystal | Mineral Glass |
| Dial | Genuine Watch | Exact detail and font | 90% exact detail and font | 70% Exact detail and font |
| Waterproof | Model-specific (e.g., 30m, 100m, 300m) | Tested up to 300m | Tested up to 30m | Life waterproof |
| Life expectancy | Lifetime | Lifetime | 3-5 years | 1-2 years |
| Warranty | 2 Years | Up to 5 Years | Up to 3 Years | Up to 1 Years |
| Band Length | 18cm |
| Case Color | Black |
| Case Thickness | 44mm |
| Model | 136660 |
| Series | Deepsea |
| Brand | Rolex |
| Gender | Men’s |
- Exclusive Movement: Driven by Rolex Caliber 3235, a self-winding movement with a Chronergy escapement for optimized efficiency and a Parachrom hairspring resisting magnetism. Certified as a Superlative Chronometer, ensuring -2 to +2 seconds daily precision.
- Case Material: Forged from 904L stainless steel, the Oyster case offers 1,220-meter water resistance. The black Cerachrom ceramic bezel features a unidirectional rotatable design, ideal for extreme diving.
- Dial: A black dial with Chromalight luminescent hour markers. It includes a date window at 3 o’clock, plus the iconic “SEA-DWELLER” branding and gas escape valve detail, honoring its diving heritage.
- Dimensions: 43mm in diameter and ~14mm thick, balancing bold dive-watch presence and comfortable daily wear.
- Crystal: Scratch-resistant sapphire crystal with double anti-reflective coating, ensuring clear readability in all conditions.
- Strap: 904L stainless steel Oyster bracelet with a GlideLock clasp for easy length adjustment, perfect for diving gear.
- Clasp: Secure Oyster folding clasp with a safety lock, delivering stability and convenience.
- Iconic Heritage: A modern evolution of Rolex’s legendary Sea-Dweller line, blending technical mastery and timeless design.
Dive into Rolex’s heritage with the Oyster Perpetual Sea-Dweller. This iconic timepiece fuses professional diving engineering and everyday luxury: 904L steel toughness, precision Caliber 3235, and a bold black dial with luminous clarity. From the deep sea to city streets, it delivers unmatched performance and legacy—a must-have for watch enthusiasts and divers alike.
