# 3 Watch Collection - De Bethune (33%) / Grönefeld (33%) / Parmigiani Fleurier (33%) Review by A.I. WatchMetrics ## Collection Summary This elite trio unites independent haute horlogerie masters with groundbreaking complications—the Grönefeld's constant force remontoire for precision, Parmigiani Fleurier's patented oval pantograph date for mechanical artistry, and De Bethune's DB28 titanium innovation with floating lugs and extended power reserve—forming a cohesive showcase of exclusivity, superior finishing, and forward-thinking design ideal for the sophisticated complication enthusiast. **"Independent Complication Masterworks"** ## Overall Collection Rating: 9.2/10.0 **Dials & Design Metric (9.8/10.0)** - The striking oval form, sector dial, and futuristic blued titanium exceed even Grand Seiko's textural mastery with unparalleled originality and execution. **Rarity Metric (9.7/10.0)** - Limited to low-production runs like the Grönefeld LE-188 alongside small-batch independents, this set rivals Patek Philippe special editions in scarcity. **Material Metric (9.7/10.0)** - Sumptuous 18k rose gold paired with grade 5 titanium, sapphire, and exceptional hand-finishing outperforms typical Rolex precious metal builds in depth and variety. **Movement Metric (9.7/10.0)** - In-house calibers boasting remontoire, pantograph, and silicon escapements with top-tier finishing and performance surpass Omega's high-end automatics in sophistication. **Brand Metric (9.4/10.0)** - These respected independents deliver prestige akin to F.P. Journe through low-volume craftsmanship and enthusiast appeal. **Cohesiveness Metric (9.4/10.0)** - A unified theme of innovative complications across complementary styles creates harmony comparable to a curated A. Lange & Söhne lineup. **Complications Metric (9.2/10.0)** - Unique mechanisms like constant force and pantograph elevate beyond standard Vacheron Constantin offerings in ingenuity. **Functions Metric (8.8/10.0)** - Core timekeeping plus power reserve indicators and retrograde displays provide robust utility matching Audemars Piguet's integrated complications. **History & Innovation Metric (8.5/10.0)** - Modern trailblazing escapements and patents build a legacy on par with early Richard Mille disruptions. **Versatility Metric (7.6/10.0)** - Niche collector appeal limits daily wear compared to a more balanced Tudor/Omega duo but shines in formal or statement settings. ## Collection Type by Style Predominantly StyleCollector and StyleStatement, accented by StyleFormal (Parmigiani oval elegance), StyleAdventure (Grönefeld field-inspired robustness), and StyleSports (De Bethune titanium sport-luxe). ## Collection Type by Movement High-complication mechanical, primarily manual-wind in-house calibers with one automatic silicon-enhanced powerplant boasting 120-hour reserves. ## Collection Strengths - Unmatched innovation through proprietary complications like remontoire and pantograph. - Luxurious materials and finishing from rose gold to blued titanium. - Exceptional rarity and brand prestige from low-production independents. ## Ideas for Improvement - Incorporate a highly versatile GMT or diver for everyday rotation. - Add a historical reference watch to balance modern innovation. - Include a microbrand gem for added diversity without diluting quality. ## Downsizing Advice This impeccably curated collection of three landmark independents exhibits perfect thematic synergy and no redundancies; retain the full set unless prioritizing cash flow over completeness, as each piece is irreplaceable in highlighting complication artistry. ## Watch by Watch Summary - **Grönefeld 1941 Remontoire Constant Force 18k Rose Gold LE-188**: Exemplifies precision engineering with its differential remontoire in a wearable 39mm rose gold case, limited to 188 pieces. - **Parmigiani Fleurier Ovale Pantographe 18k**: Captivates with an oval case housing the patented expanding pantograph date, blending Art Deco aesthetics and mechanical wizardry. - **De Bethune DB28**: Revolutionizes with floating lugs, blued titanium, and a 120-hour automatic movement in a lightweight, modern titanium shell. ## Total Performance Score (TPS): 4.0 ## TPS Interpretation: Fair Value: The collection aligns with expectations for its ~$85,000 average price through elite complications and design, tempered by collector-specific versatility. ## WM Collector Grade: A- ## Performance Insights: Dominance in dials, rarity, materials, and movement underscores a pinnacle collector ensemble, delivering commensurate value at premium pricing with minor versatility constraints. **A.I. WatchMetrics Review v37.5 Grok 4 Fast. December 21, 2025.**