Description
Overview
Launched in 2015, Reference 228235 upgrades the classic Day-Date to a refined 40mm case dimension, continuing the Day-Date’s exclusive legacy as Rolex’s all-precious-metal flagship, favored by presidents, business elites and global dignitaries worldwide. Entirely built from Rolex-developed 18ct Everose Gold, a patented rose gold alloy resisting oxidation and color fading permanently, the watch balances formal elegance and daily wear durability.
Case & Exterior
Case Size: 40mm Oyster monobloc case, polished & brushed 18ct Everose Gold constructionRolex
Bezel: Iconic hand-finished fluted bezel, Rolex’s timeless hallmark originally engineered for screw-on waterproof sealing
Crystal: Anti-scratch sapphire crystal fitted with signature Cyclops magnifying lens over the 3 o’clock date window, double anti-reflective coating underneath
Crown & Waterproof: Twinlock double-sealed screw-down crown; screw-in case back securing 100m (330ft) water resistance for daily splashing and swimming劳力士
Dial Details
Available in multiple factory dial variants: sunburst chocolate, slate ombré, sundust & rare ferruginous quartz dialsRolex. Most editions feature 10 square-cut diamond hour markers or polished Roman numerals with luminous hands, classic Day-Date layout: full spelled-out weekday display arched at 12 o’clock, instantaneous jump date at 3 o’clock with quick-set adjustment function. The sunray-finished dial catches natural light to create layered gradient glow across the watch faceassets.rolex.com.
Bracelet & Clasp
Exclusive President Bracelet, uniquely reserved for Day-Date models, composed of semi-circular three-piece solid Everose Gold links with ergonomic curved shaping for all-day wrist comfort. It is finished with a hidden concealed Crownclasp folding buckle for seamless, clean visual closure without exposed clasp edges.
Core Movement: Manufacture Calibre 3255
Rolex self-produced automatic perpetual mechanical movement with these core specs:
Superlative Chronometer certified accuracy: ±2 seconds per day after casing, exceeding official COSC standards
Blue paramagnetic Parachrom hairspring + Paraflex shock absorber for anti-magnetism and impact resistanceRolex
70-hour extended power reserve, keeps running for nearly 3 full days without wearing
28,800 vph beat rate, instantaneous day & date jump, stop-second function for precise time calibration劳力士
Collection Position
As the flagship of Rolex Day-Date lineup, Ref.228235 represents the peak of Rolex watchmaking craft, a collectible investment-grade luxury timepiece combining historic heritage, top-tier mechanical performance and everlasting collectible value.
Reference: 228235
Series: Day-Date 40
Case Material: 18ct Rolex Everose Gold
Case Diameter: 40 mm
Bezel: Fluted Everose Gold
Bracelet: President Everose Gold with Concealed Crownclasp
Movement: Rolex In-house Calibre 3255 Automatic Perpetual
Power Reserve: ~70 Hours
Certification: Superlative Chronometer
Water Resistance: 100 Meters / 330 Feet
Crystal: Scratch-resistant Sapphire with Cyclops Lens
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