Rolex Day-Date 40
The Rolex Day-Date 40 (ref. 228238), introduced in 2015, features a 18k Yellow Gold case measuring 40mm with 100m water resistance. Movement: Automatic (Cal. 3255, 70-hour power reserve). Crystal: Sapphire.
Specifications Overview
| Model Number | 228238 |
|---|---|
| Year Introduced | 2015 |
| Case Diameter | 40 mm |
| Case Material | 18k Yellow Gold |
| Movement Type | Automatic |
| Movement Caliber | Cal. 3255 |
| Power Reserve | 70 hours |
| Water Resistance | 100 m |
| Crystal | Sapphire |
Specifications sourced from publicly available brand information. Verify with the official brand for the most current details. This site makes no comment on price or collecting advice.