Rolex
Oyster Perpetual 41 (2025 generation)
Ref. 134300
2025–present · 41mm · caliber Rolex Cal. 3230: in-house automatic, 28,800bph, 70h PR, 31j; Chronergy escapement, blue Parachrom hairspring, Paraflex shock absorbers; Superlative Chronometer, -2/+2 sec/day after casing. Unchanged from the 124300 it replaced
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In-house manufacture caliber
Medium-large: suits wrists 6.5 in+ (16.5 cm+)
41 mm case. Wears confidently on average to larger wrists. May overhang on slender builds.
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Authentication
Mechanically identical to the 124300 it replaced, so most listing confusion is between the two generations rather than between genuine and replica.
Known issues in the market
- The 134300 arrived in 2025 with matte lacquered dials in pistachio green, sandy beige, black, dark blue and dark green. The bright coral, turquoise and yellow dials, and the Celebration dial, belong to the 124300 and were discontinued.
- The calibre did not change. A seller claiming a movement upgrade over the 124300 is describing something that does not exist.
- The case differences are real but small, so measure rather than eyeball when the price difference matters.
| Area | What to check | What is correct | Red flag |
|---|---|---|---|
| crown | Crown size | A noticeably larger Twinlock crown than the 124300 carried, which is the clearest external change of the 2025 generation | The smaller earlier crown on a watch sold as a 134300 |
| case | Case height and lug profile | 41mm across and 11.6mm high, with lugs slightly thinner and more sharply angled at the tips than the previous generation | A 12mm case height, which points at the 124300 |
| dial | Dial finish and text position | Matte lacquer in one of the 2025 colours, with the Superlative Chronometer line sitting slightly higher than it did on the 124300 | A bright Stella-style colour or a Celebration dial, neither of which was offered on this reference |
| movement | Calibre 3230 | Unchanged from the 124300: 28,800bph, 31 jewels, 70 hours, Chronergy escapement, Parachrom hairspring, Superlative Chronometer to -2/+2 seconds a day | Any claim of a new calibre for this reference |
| dial | Absence of a date | No aperture anywhere on the dial | A date window, which makes it a different model entirely |
Common legitimate replacements
- The watch is recent enough that original parts should still be present. Anything replaced this early is worth asking about.
- Straps do not apply here; the reference ships on the Oyster bracelet.
Expert resources: Monochrome Watches published a detailed comparison of the 134300 against the 124300 at launch, covering the crown, lug profile, dial finish and text placement. That article is the most useful single reference for telling the generations apart.
