EW Rolex Day-Date 40mm: 1. Sapphire crystal with 2.5x magnifying lens for date display, identical to

EW Rolex Day-Date 40mm: 1. Sapphire crystal with 2.5x magnifying lens for date display, identical to the original. 2. Oyster case construction with a single-piece middle case, screw-down case back, and winding crown. 3. Dimensions and thickness are identical to the original: 40mm diameter and 12mm thickness. 4. Powered by the 2836 automatic movement, featuring quick-adjustment instantaneous day-date, achieving perfect synchronization of time setting, thickness, and construction with the original.