| 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 |
Silvery |
| Case Thickness |
26mm |
| Model |
326139.1 |
| Series |
Sky Dweller |
| Brand |
Rolex |
| Gender |
Men’s |
- Legendary Movement: Driven by Rolex’s in – house Caliber 9001 self – winding movement, officially certified as a Superlative Chronometer. It has a groundbreaking annual calendar (automatically adapting to month lengths, including February) and a dual – time zone display (central hand + 24 – hour Saros track), combining complexity and reliability.
- Case & Bezel: Forged from 904L stainless steel, the fluted bezel adds a refined touch. The Oyster case structure ensures 100 – meter water resistance and strong corrosion resistance, suitable for daily wear and travel.
- Dial Design: A matte black dial with Chromalight luminescent rectangular hour markers. A red triangular indicator marks day and night, and the annual calendar disc is integrated with the 24 – hour Saros track. The date window at 3 o’clock is magnified by the Cyclops lens.
- Dimensions: The 42mm diameter (in full steel) offers a balanced blend of presence and comfort on the wrist.
- Crystal: Protected by a scratch – resistant sapphire crystal with Cyclops magnification, ensuring clear visibility of the complex functions, even in low light.
- Strap: Features a full – steel Oyster bracelet, with solid interlocking links. The Oyster folding clasp with Easylink extension enables secure and adjustable wear.
- Complications: The annual calendar auto – adjusts for month lengths, and the dual – time zone function (adjustable via the patented Rotatable Bezel System) is designed for global travelers, with intuitive operation.
- Versatile Appeal: The full – steel black dial design subtly showcases complex craftsmanship, making it suitable for daily life, business, and travel — a perfect integration of Rolex’s technology and design.
Embrace the peak of functional luxury with the Rolex Sky-Dweller Oystersteel Black Dial. Engineered for the modern globetrotter, its Caliber 9001 movement boasts an annual calendar (auto – adjusting for months) and a dual – time display, both certified as a Superlative Chronometer. The robust Oystersteel case, fluted bezel, and black dial exude understated sophistication. Whether crossing time zones or going about daily life, its user – friendly complications (adjustable via the patented Rotatable Bezel System) and scratch – resistant sapphire crystal ensure flawless performance. As a testament to Rolex’s innovation, this timepiece is a must – have for those who value precision, durability, and elegant complexity in one extraordinary watch.
Colin Radcliffe –
It’s been on my wrist almost every day and hasn’t required any maintenance or adjustment.
Emerson Galloway –
The clasp is easy to handle,even with one hand. So convenient!
Lila Colfax –
I’m still amazed at the level of precision and balance in the movement ¡ª it’s definitely become a go-to.
Zelda Driscoll –
It’s a strong performer that doesn’t try too hard to stand out,which is exactly what I wanted.