Rolex Day-Date 40 Yellow Gold 228238 Black Index President
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Description
| Case Shape | Round |
| Case Dimensions | 40mm |
| Case Material | 18kt Yellow Gold |
| Dial Color | Black |
| Crystal | Scratch Resistant Sapphire |
| Bezel | Fixed |
| Screw-in Crown | Yes |
| Water Resistance | 100m/10atm/330ft |
| Case Back | Solid |
| Band Material | 18kt Yellow Gold |
| Color/Finish | Brushed & Polished |
| Band Name | Rolex President |
| Band Notes | semi-circular three-piece links |
| Clasp | Hidden Folding Clasp |
| Movement | Automatic – Chronometer |
| Complications | Day/Date |
| COSC Certified | Yes |
Additional information
ADDITIONAL INFORMATION
ADDITIONAL INFORMATION
• Case: 18kt yellow gold – polished
• Crown: 18kt yellow gold, Twinlock double waterproofness system
• Bezel: fixed, polished
• Dial: black – sunray
• Hour Markers: applied, yellow gold, index, polished, luminous
• Hands: polished, yellow gold, luminous
• Seconds hand: central large hand
• Date: window at 3 o’clock, with cyclops magnifier
• Calibre: Rolex calibre 3255, beats at 4Hz/28800 vph, 31 jewels, power reserve of 70 hours (3 days)
Watch functions:
• Day/Date: Day of the week window at 12 o’clock, Date window at 3 o’clock with a cyclops magnifying lens



