# JLC Duometre Chronograph Moon Review by A.I. WatchMetrics

## Watch Summary
The Jaeger-LeCoultre Duom�tre Chronograph Moonphase exemplifies haute horlogerie with its elegant 42mm pink gold case housing the manual-wind Calibre 388, featuring a groundbreaking Dual-Wing system with separate 70-hour power reserves for the time/moonphase base and flyback chronograph module, an opaline silver dial with snailed subdials and precise moonphase display, targeting sophisticated collectors who prize technical innovation, refined aesthetics, and superior craftsmanship in a formal complication watch.

## Overall Watch Rating: 9.2/10.0

**Brand Metric (8.7/10.0)** - Jaeger-LeCoultre commands respect in the luxury segment for its masterful engineering and heritage, on par with Omega or Grand Seiko benchmarks.

**History & Innovation Metric (9.1/10.0)** - The Duom�tre's patented dual power reserve innovation builds on JLC's legendary contributions to watchmaking, rivaling historic advancements from Patek Philippe.

**Rarity Metric (9.9/10.0)** - Its high price point and niche appeal among complication aficionados deliver exclusivity comparable to limited-production luxury models.

**Material Metric (9.7/10.0)** - Pink gold construction with double AR-coated sapphire and impeccable polishing elevates it above standard precious-metal pieces like Rolex Day-Dates.

**Movement Metric (9.8/10.0)** - Calibre 388's column-wheel flyback, Geneva-striped finishing, and dual-chain architecture sets it alongside elite in-house calibers from A. Lange & S�hne.

**Complications Metric (9.4/10.0)** - Flyback chronograph paired with instantaneous moonphase offers refined complexity surpassing typical luxury chronographs like the IWC Portugieser.

**Functions Metric (8.8/10.0)** - Comprehensive display of hours, chronograph, moonphase, and dual PRIs provides strong utility akin to well-equipped mid-tier luxury watches.

**Dials & Design Metric (9.5/10.0)** - Opaline dial with applied markers, snailed counters, and balanced layout evokes timeless elegance similar to Vacheron Constantin Patrimony complications.

**Versatility Metric (7.8/10.0)** - Ideal for formal and collector settings, it trails more wearable all-rounders like the Omega Speedmaster in daily adaptability.

## Total Performance Score (TPS): 4.2
## TPS Interpretation: Fair Value: This watch overdelivers on complications, movement, and rarity relative to its secondary market price, tempered by average versatility for the segment.
## WM Collector Grade: B-
## Performance Insights: Dominates in innovation, finishing, and exclusivity for solid value against an implied price of $25,000, where it would align with average expectations.

## Watch Data
[Picture URL] - https://monochrome-watches.com/wp-content/uploads/2020/06/Jaeger-LeCoultre-Duometre-Chronographe-a-Lune-ref-Q45125242001.jpg; [backPicture] - https://www.watchfinder.com/Guides/Images/Jaeger-LeCoultre-Duometre-Chronograph-Moonphase-back.jpg; [lumePicture] - N/A; [Nickname] - Duometre Chronograph Moon; [Brand] - Jaeger-LeCoultre; [Model] - Duom�tre Chronograph Moonphase; [Country] - Switzerland; [Product Link] - https://www.jaeger-lecoultre.com/us-en/watches/duometre/duometre-chronograph-moonphase/45125242001; [reviewLink] - N/A; [Movement Type] - Mechanical; [Movement Name] - Calibre 388; [# MSRP] - 64700; [# Secondary] - 43000; [# Production] - Unlimited; [watchDescription] - Luxury manual-wind flyback chronograph with moonphase and Dual-Wing separate power reserves in pink gold case.; [caseWidth] - 42; [lugToLugLength] - 50; [thickness] - 13.6; [lug] - 22; [waterResist] - 50; [powerReserve] - 70; [beatFrequency] - 28800; [lume] - Minimal; [jewels] - 57; [caseMaterial] - 18k Pink Gold; [watchGlass] - Sapphire double-sided AR; [Bezel] - Fixed; [caseback] - Sapphire exhibition; [Crown] - Knurled push-pull; [Strap] - Alligator leather; [Shape] - Round; [Dial] - Opaline silver; [caseShape] - Round; [Seconds] - 1; [Date] - 0; [Calendar] - 0; [Chiming] - 0; [Chronograph] - 1; [Compass] - 0; [dateCompilation] - 0; [DigitalDisplay] - 0; [Dress] - 1; [Field] - 0; [GMT] - 0; [Mechanical Alarm] - 0; [Moonphase] - 1; [Tourbillon] - 0; [worldTimer] - 0; [powerReserveIndicator] - 1; [Diver] - 0; [Pilot] - 0; [racing] - 0; [Skeleton] - 0; [Vintage] - 0; [StyleFormal] - 1; [StyleCasual] - 1; [StyleSports] - 0; [StyleTravel] - 0; [StyleAdventure] - 0; [StyleCollector] - 1; [StyleTool] - 0; [StyleStatement] - 1; [StyleVintage] - 0; [StyleSmart] - 0; [StyleCustom] - 0; [TPS_new] - 4.2; [TPSgrade] - B-; [TPSimpliedPrice] - 25000;

**A.I. WatchMetrics Review v37.10 Grok 4 Fast. December 21, 2025.**