Recorded in our Monte-Carlo solid 18K gold Rolex register, the Rolex Day-Date 40 Graduated Ombre Sunray Dial Diamond-Set Bezel 18K Everose Gold Reference 228235 unites authentic Geneva proportions (40.0 mm x 11.5 mm) with a certified 18K Rose Gold Au750 mass of 210.4g. Every detail of the Graduated Ombre Sunray Dial with Solid 18K Gold Applied Hour Markers & Hands, Brilliant-Cut VVS1 Diamond-Set Bezel with Anti-Reflective Scratch-Resistant Sapphire Crystal, and hallmarked clasp is verified under our Fischer XRF Au750 and Mettler-Toledo laboratory protocol.

5 Core Horological & Metallurgical Specifications:

• Registered Entity & Ref: Rolex Day-Date 40 Graduated Ombre Sunray Dial Diamond-Set Bezel 18K Everose Gold — Official Reference 228235 (SKU: MC-AU750-228235-W595).
• Precious Metal Alloy: 18K Rose Gold Au750 with deep mechanical hallmarking and 5-axis Swiss CNC case finishing.
• Verified Reference Mass: 210.4g confirmed on our Monte-Carlo showroom Mettler-Toledo analytical balance.
• Mechanical Calibre: Rolex Manufacture Cal. 3255 - 70h Power Reserve operating at 28,800 vph (4 Hz) with 72-hour power reserve (+0.4 s/d, 297 deg).
• Sapphire Crystal & QC: Scratch-resistant sapphire crystal with double anti-reflective coating and 100m / 330 ft - Twinlock Screw-Down water resistance.

Within the same Rolex horological silo, collectors also compare the Rolex Cosmograph Daytona Gibeon Meteorite Dial 18K White Gold Free-Sprung Calibre Ref. 126519 (160.7g) and the Rolex Cosmograph Daytona 18K Yellow Gold 5-Axis CNC Case Ref. 126518LN (160.3g).