The Jaeger-LeCoultre Reverso Tribute Duoface Moon Q3958420 pairs a moonphase and date on its front dial with a second time-zone display on the reverse. Its manually wound calibre 853A drives both sides and has a manufacturer-listed 42-hour power reserve. Jaeger-LeCoultre currently marks the stainless-steel model out of its collection, so this review assesses its specifications and design proposition—not hands-on performance.
What is the Jaeger-LeCoultre Reverso Tribute Moon?
The name commonly shortened to “Reverso Tribute Moon” refers here to the stainless-steel Reverso Tribute Duoface Moon, reference Q3958420 (also presented by Jaeger-LeCoultre as 3958420). Its reversible case carries two distinct dials, with one movement powering both. The front combines moonphase and date indications; the reverse shows a second time zone. Jaeger-LeCoultre’s official product page is the source for the model identity and specifications below.
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What do the two dials show?
Front: moonphase and date
The front dial combines a moonphase display with a date indication. These functions give the watch more than a conventional time-only face, but the available specifications do not establish how legible or intuitive the displays are in everyday use.
Reverse: a second time zone
The reverse dial provides a second time-zone display. This is a practical distinction from a watch that merely offers a decorative second face: the Duoface layout is designed to show another zone, while retaining the moonphase and date on the front.
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What movement is inside, and what is the power reserve?
The Q3958420 uses Jaeger-LeCoultre’s hand-wound calibre 853A. The manufacturer lists a 42-hour power reserve, a frequency of 3 Hz (21,600 vibrations per hour), 223 components, 19 jewels, one barrel and a movement thickness of 5.15 mm.
| Specification | Manufacturer-listed detail |
|---|---|
| Calibre | Jaeger-LeCoultre 853A |
| Winding | Manual |
| Power reserve | 42 hours |
| Frequency | 3 Hz (21,600 vibrations per hour) |
| Components | 223 |
| Jewels | 19 |
| Barrels | 1 |
| Movement thickness | 5.15 mm |
These are published specifications, not independent measurements. Because it is manually wound and has a stated 42-hour reserve, the owner’s winding routine is part of living with the watch; the figures alone do not establish real-world accuracy or how the watch feels to wind.
What is the Reverso’s connection to polo?
Jaeger-LeCoultre traces the Reverso’s origin to a 1930 challenge: businessman César de Trey was asked to find a way to protect the glass of watches worn by polo players. The manufacturer says he proposed a case that could flip over, approached Jacques-David LeCoultre to make it, and worked with designer René-Alfred Chauvot; it dates the first Reverso to 1931. This is the brand’s account of the watch’s origin.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Is the Reverso Tribute Moon discontinued?
Jaeger-LeCoultre labels reference Q3958420 “out of collection” and says it is no longer available in its current collection. The product page invites interested readers to contact Personal Advisors about a similar timepiece. It gives no numeric price, listing the price as available upon request. That status does not establish whether any particular retailer or pre-owned seller has one available.
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What should buyers check?
For a pre-owned example, confirm the exact reference and assess the specific watch and seller rather than relying on a listing title or photographs alone. Useful checks include:
- Whether the watch is reference Q3958420 and whether its two dials and functions match the description.
- Condition, including the case and both sides of the reversible construction.
- Service history and any supporting documentation.
- What papers, accessories and warranty are included, and what protections apply to the transaction.
No current dealer inventory, secondary-market price range or particular listing’s authenticity is established here; verify those details directly with the seller or an authorized channel.
Strap fit and ownership support
Jaeger-LeCoultre links a black alligator-leather strap, reference QC21721Y, described as straight-lug and 22 mm wide. That is one manufacturer-listed option, not a guarantee that every third-party strap will fit or that this strap is in stock. Confirm the relevant dimensions and fit with the brand or seller before buying a replacement. The manufacturer also links to maintenance advice and a strap finder from its product page.
Review verdict
On paper, the Q3958420’s strongest distinction is its combination of two time-zone displays with a front-side moonphase and date, all driven by a hand-wound movement in the Reverso’s reversible-case format. The trade-offs readers can establish from the specifications are a manual-winding routine, a stated 42-hour reserve and out-of-collection status. Without hands-on evaluation, claims about comfort, setting ease, legibility or measured timekeeping would go beyond the available evidence.
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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.
