# Jaeger-LeCoultre Reverso Grande Taille Mechanical Review by A.I. WatchMetrics

## Watch Summary
The Jaeger-LeCoultre Reverso Grande Taille Mechanical is an iconic Art Deco-inspired rectangular dress watch with a signature reversible case designed originally for polo players in 1931, featuring a stainless steel case that flips to reveal a blank engraving-ready back, powered by the in-house manual-wind Calibre 822 offering 45 hours of power reserve, ideal for the sophisticated collector seeking timeless elegance and subtle versatility in formal or creative settings.

## Overall Watch Rating: 9.1/10.0

**Brand Metric (9.6/10.0)** - Jaeger-LeCoultre's prestigious haute horlogerie status and decades of innovation place it alongside Patek Philippe in luxury benchmarks.
**History & Innovation Metric (9.2/10.0)** - The Reverso's revolutionary reversible case and JLC's pivotal role in watchmaking history make it a landmark like the original Rolex Oyster.
**Dials & Design Metric (9.5/10.0)** - Exemplary Art Deco aesthetics with exquisite guilloché dial and flawless proportions rival the finest Vacheron Constantin dress watches.
**Material Metric (9.3/10.0)** - Premium 904L steel with sapphire crystal and masterful brushing/polishing exceeds typical Rolex Submariner case quality.
**Movement Metric (8.8/10.0)** - The in-house Calibre 822 delivers refined finishing and reliability comparable to ETA 2824 but elevated by JLC craftsmanship.
**Versatility Metric (8.7/10.0)** - Reversible case and slim profile suit dress, casual, or engraved personal use better than most rectangular icons like Cartier Tank.
**Rarity Metric (7.6/10.0)** - At its price point, it offers solid exclusivity akin to limited Omega Seamaster variants without ultra-low production hype.
**Functions Metric (4.2/10.0)** - Basic time-only functionality matches entry-level mechanicals like a Seiko 5 but lacks modern utilities.
**Complications Metric (1.5/10.0)** - Pure timekeeping simplicity falls short of even basic date-equipped peers like the Omega De Ville.

## Total Performance Score (TPS): 8.7

## WM Collector Grade: A

## Performance Insights: Exceptional brand heritage, design, and materials drive high scores, delivering strong collector value well above its implied price benchmark.
## TPS Interpretation: Strong Value: Superior craftsmanship and historical significance outperform expectations for its market positioning.

## Watch Data
[https://www.jaeger-lecoultre.com/content/dam/jlc/master-collection/reverso-classic-large/reverso-classic-large-steel-q2788540/reverso-classic-large-steel-q2788540_front.png] - [Front image of Reverso Grande Taille]; [https://www.jaeger-lecoultre.com/content/dam/jlc/master-collection/reverso-classic-large/reverso-classic-large-steel-q2788540/reverso-classic-large-steel-q2788540_back.png] - [Back image showing reversible case]; [] - [No specific lume image]; [Reverso Grande Taille Mechanical] - [Iconic reversible rectangular]; [Jaeger-LeCoultre] - [Jaeger-LeCoultre]; [Reverso Grande Taille] - [Reverso Grande Taille]; [Switzerland] - [Switzerland]; [https://www.jaeger-lecoultre.com/us-en/watches/reverso-classic-large/reverso-classic-large-q2788540] - [https://www.jaeger-lecoultre.com/us-en/watches/reverso-classic-large/reverso-classic-large-q2788540]; [] - []; [Mechanical Manual] - [Manual Wind]; [Calibre 822] - [Calibre 822]; [# Secondary] - [9200]; [Iconic 1931 polo watch with reversible stainless steel case, silvered dial, blued hands, sub-seconds at 6] - [Iconic 1931 polo watch with reversible stainless steel case, silvered dial, blued hands, sub-seconds at 6]; [29.9] - [29.9]; [49.4] - [49.4]; [9.2] - [9.2]; [21] - [21]; [30] - [30]; [45] - [45]; [21600] - [21600]; [No] - [No]; [21] - [21]; [Stainless Steel] - [Stainless Steel]; [Sapphire] - [Sapphire]; [Fixed] - [Fixed]; [Solid Reversible] - [Solid Reversible]; [Push-pull] - [Push-pull]; [Leather Alligator] - [Leather Alligator]; [Rectangular] - [Rectangular]; [Silvered Guilloche] - [Silvered Guilloche]; [Subseconds] - [Subseconds]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [Yes] - [Yes]; [No] - [No]; [Yes] - [Yes]; [Yes] - [Yes]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [No] - [No]; [8.7] - [8.7]; [A] - [A]; [7200] - [7200];

**A.I. WatchMetrics Review v37.4 Grok 4 Fast. December 19, 2025.**