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The Rolex Day-Date 40 reference 228235 pairs a 40 mm 18 kt Everose gold case with a fluted bezel, President bracelet and Rolex calibre 3255. Rolex lists approximately 70 hours of power reserve and precision of −2/+2 seconds per day after casing. Those are manufacturer specifications, not measurements of an individual watch. The reference is offered with different dials, so confirm the exact configuration: the current US product page describes an olive-green dial, while Rolex’s brochure for the same reference shows white mother-of-pearl set with 10 baguette-cut diamonds.
What the reference 228235 tells you—and what it doesn’t
Rolex identifies the 228235 as a Day-Date 40 with a 40 mm Oyster case in 18 kt Everose gold, a fluted bezel and a President bracelet. The reference identifies the core case-and-bracelet configuration, not one universal dial. The current US product page is for an olive-green dial; a separate official Rolex brochure depicts a white mother-of-pearl dial set with 10 baguette-cut diamonds. Check the dial and any gem setting on the particular listing or watch rather than inferring them from “228235” alone.
Rolex describes Everose as its patented 18 kt pink-gold alloy, cast in its own foundry and introduced in 2005. The bracelet is also 18 kt Everose gold. This is a precious-metal dress watch with a substantial gold case and bracelet, not a steel sports-watch alternative; whether that feel and appearance suit daily wear is a matter to assess in person.
Calibre 3255: accuracy, winding and functions
Calibre 3255 is a Rolex-manufactured, perpetual mechanical movement with automatic winding. Its Perpetual rotor winds in both directions. Rolex specifies approximately 70 hours of power reserve, meaning the stated reserve is an approximation rather than a promise that every example will run for exactly that duration under every condition.
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Rolex states precision of −2/+2 seconds per day after casing. This is the maker’s specification, not a measured result for the watch reviewed here or a guarantee of the observed rate of every new or pre-owned example. Actual performance of an individual watch cannot be inferred from the specification alone.
The movement drives central hour, minute and seconds hands, along with instantaneous day and date displays. It also includes secure rapid-setting and stop-seconds, which halts the seconds hand when setting the time. Rolex identifies a paramagnetic blue Parachrom hairspring and high-performance Paraflex shock absorbers in the oscillator.
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Case, dial and bracelet
Case and everyday protection
The Oyster case has a monobloc middle case, screw-down case back and screw-down winding crown with Rolex’s Twinlock double waterproofness system. Rolex specifies a scratch-resistant sapphire crystal with a Cyclops lens over the date and water resistance to 100 metres (330 feet). These are published specifications, not the result of a fresh pressure test on a particular watch; condition and service history matter when assessing a used example.
Dial and bezel
On the olive-green configuration shown on Rolex’s current US page, the dial has a sunray finish made by radial brushing, followed by color application through physical vapour deposition or electroplating and a varnish finish. Those details describe that dial variant, not every 228235. The same page describes the bezel as fluted. Rolex says the fluting originated as a functional feature for screwing Oyster bezels onto cases and later became an aesthetic signature.
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President bracelet and clasp
The bracelet’s semi-circular three-piece links are made in 18 kt Everose gold on this reference, and it closes with a concealed folding Crownclasp. Rolex dates the President bracelet’s creation to 1956, for the launch of the Oyster Perpetual Day-Date: “The President bracelet, with its semi-circular three piece links, was created in 1956 for the launch of the Oyster Perpetual Day-Date.”
Published specifications at a glance
| Specification | Rolex-stated detail |
|---|---|
| Reference and model | Day-Date 40, reference 228235 |
| Case | 40 mm; 18 kt Everose gold |
| Dial configurations documented here | Olive-green on the current US product page; white mother-of-pearl with 10 baguette-cut diamonds in the official brochure. The reference has multiple dial configurations. |
| Movement | Calibre 3255; perpetual, mechanical, self-winding |
| Precision | −2/+2 seconds per day after casing; Rolex specification |
| Power reserve | Approximately 70 hours; Rolex specification |
| Water resistance | 100 metres / 330 feet; Rolex specification |
| Bracelet | President bracelet in 18 kt Everose gold, with concealed folding Crownclasp |
Price, availability and buying checks
The Rolex US product page displayed a price of $54,200 for its olive-green configuration when accessed on 2026-10-08. This is a regional, time-sensitive listing; it does not establish a global price, current stock or the price of another dial configuration.
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Rolex says only official Rolex jewelers may sell and maintain its watches. Confirm a seller’s official status and ask directly about the exact dial, availability, current price, warranty and service terms. For a pre-owned watch, assess the specific example’s condition and service history; published specifications cannot establish how that watch performs now.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Who should consider the 228235?
The 228235 is a fit for someone seeking a 40 mm Day-Date in full 18 kt Everose gold, with the President bracelet and a choice of dial configurations. Its automatic movement, day-and-date displays and published reserve make the technical proposition straightforward, but specifications alone cannot answer whether the gold watch’s size, weight and presence feel right on your wrist. Try the exact configuration if possible, and compare verified measurements and the dial rather than relying on the reference number alone.
Quick Recap
Best Value
- Compatible Models:Rolex: 228239, 228349Rbr
- Fitment: Fits 40mm Cases Link Width: 17.20mm Applicable to original Rolex watches
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
