New Vision: The 2023 New Model Rolex Oyster Perpetual 31 Series 1. Equipped with an imported movement, it synchronizes with the original and has no unnecessary date function, ensuring stable and reliable quality. 2. Consistent with the original, the case diameter is 31mm. 3. Polished hour markers; top-grade Swiss ice blue luminescence, consistent with Rolex's original luminescence. 4. Integrated middle case, screw-down case back, and winding crown, providing exceptional water resistance. 5. Superior craftsmanship, with each strap perfectly fitting the lugs, offering the highest comfort to the wrist.