Rolex's main Watches and Wonders 2026 reveal was not a new model. It was a new metal. The Day-Date 40 Jubilee Gold reference 228235JG is the first watch to wear the brand's new in-house gold alloy, an 18-carat composition that sits between yellow, grey, and pink. The piece marks the centenary of the Oyster Perpetual case, which Rolex patented in 1926. The watch is positioned as a one-off statement piece for the launch year. It is off-catalogue and is allocated through select authorized dealers.
Jubilee Gold
Rolex has built its proprietary alloy programme into one of its most consistent press hooks. Everose gold appeared in 2005 to fight pink-gold colour fade. Cerachrom ceramic came on the Daytona bezel in 2013. Jubilee Gold is the first new gold alloy Rolex has released since Everose. Monochrome's hands-on describes the hue as warmer than white gold but cooler than Everose, with a faint platinum undertone visible in low light.
The alloy is produced at Rolex's Plan-les-Ouates foundry, the same facility that smelts every other Rolex gold. The composition is not public, which is consistent with how Rolex has historically treated Everose. What is public is that Jubilee Gold contains 75 percent pure gold (the 18-carat requirement) and that the secondary metals are weighted to deliver a colour the brand calls "the gold of patience and balance" in its press copy.
The case
The case is 40mm wide and 12mm tall, in the established Day-Date 40 architecture. Fluted bezel, screw-down case back, Twinlock screw-down winding crown. Water resistance is 100 metres. The case middle and the bezel are both Jubilee Gold. The crown and the crown tube share the same alloy. There is no two-tone variant. The 228235JG is single-metal end to end.
Green aventurine dial
The dial is the visual hook. Aventurine is a natural quartz stone with embedded mineral inclusions that glint when light hits the surface. Rolex has used aventurine dials sparingly over the years, almost always in deep blue or dark green. The 228235JG uses a light green aventurine slab, paler than the brand's previous executions. aBlogtoWatch's coverage reads the colour choice as the lightest aventurine Rolex has shown on a Day-Date.
The hour track is set with ten baguette-cut diamonds. The day aperture at 12, the date window at 3, and the Day-Date layout are all retained. The hands are 18-carat Jubilee Gold. The aventurine itself is uncoated. Rolex has dropped the maple leaf, daisy, and feather motifs the brand has been pushing on recent Day-Date Celebration dials. The 228235JG is a clean stone-dial-and-diamonds reference.
Movement
The movement is calibre 3255, Rolex's existing automatic for the 40mm Day-Date. The calibre runs at 28,800 vph, stores 70 hours of reserve, and carries the Superlative Chronometer certification (-2 to +2 seconds per day, in-house standard). The Chronergy escapement, optimised gear train, and Paraflex shock absorbers are unchanged. The bridges and rotor visible through the closed caseback are gold-treated.
Off-catalogue allocation
The 228235JG is sold off-catalogue. It does not appear in the standard Rolex retailer assortment and is not listed on the brand's consumer site. Watch Collecting Lifestyle's introducing piece places it in the same allocation tier as the diamond-set Sky-Dweller introduced in 2024. Rolex does not publish list pricing for off-catalogue references. Chrono24 lists the watch at USD 62,700 from one trusted seller, which is the published market reference for the launch period.
The pricing aligns the 228235JG with the diamond-set Day-Date 40 Everose references that sit around USD 60,000 to 70,000 at list before any market premium.
Why it matters
Three things to note here. First, a new Rolex gold alloy is a once-a-decade event. Jubilee Gold gives Rolex a fourth gold colour in its production palette, after yellow, white and Everose. Whether the alloy stays on the 228235JG alone or rolls out across the Day-Date and the Datejust lines over 2027 to 2028 is the question to watch.
Second, the aventurine dial is the lightest Rolex has shown. The brand has been steadily expanding its stone-dial catalogue (turquoise on the OP, malachite on the Daytona) and the 228235JG is the first to use a quartz-family stone in a colour this pale. Worth tracking whether more aventurine references follow in 2027.
Third, the off-catalogue allocation matters. Rolex has been using off-catalogue references to test market response without committing to a full collection line. The 228235JG is the most expensive Day-Date introduced this way since 2022. If it sells through and the secondary market stays orderly, expect Rolex to expand the Jubilee Gold treatment into the catalogue with the 2027 collection.
Sources: Monochrome hands-on; Watch Collecting Lifestyle introducing; aBlogtoWatch hands-on; Fratello introducing; WatchBase reference; Chrono24 listing; Specht & Söhne value analysis.
