The Jaeger-LeCoultre Master Ultra Thin Power Reserve is a flawless combination of technical mastery and artistic sophistication, embodying the brand’s legendary watchmaking ethos. This stainless steel masterpiece features elegantly curved lugs and a meticulously designed dial, reinforcing its timeless appeal. The Jaeger-LeCoultre appliqué logo, opaline counters, minute track dots, double-polished and satin-finished Dauphine hands, and extended hour markers seamlessly blend with the silver sunray-brushed background, creating a sophisticated aesthetic.
At the heart of this timepiece lies the in-house Calibre 938, a remarkable movement with a silicon escapement and a 70-hour power reserve. This extended autonomy ensures uninterrupted performance—even after an entire weekend without being worn. Encased in a slim yet striking frame, this watch is a tribute to La Grande Maison’s unparalleled craftsmanship, delivering precision and elegance in perfect harmony.
A Legacy of Ultra-Thin Innovation
The Master Ultra Thin collection is a testament to Jaeger-LeCoultre’s pioneering role in ultra-thin watchmaking. This legacy began in 1907, when the brand introduced the LeCoultre Calibre 145, a groundbreaking movement measuring just 1.38mm in thickness—an extraordinary feat in precision horology.
Building upon this tradition, Jaeger-LeCoultre officially introduced the Master Ultra Thin collection in the 1990s as part of the Master Control line, reinforcing its reputation for technical mastery and refined aesthetics. Over the years, the collection has achieved remarkable milestones, including Through continuous advancements, Jaeger-LeCoultre solidifies its status as the "Watchmaker of Watchmakers", a brand synonymous with precision, craftsmanship, and innovation.
Technical Specifications
Case
Material: Stainless steel
Diameter: 39mm
Thickness: 8.95mm
Water Resistance: 5 bar
Dial
Silvered grey, sunray-brushed finish
Rhodium-plated hour markers
Strap
Black alligator leather
Interchangeable system
Lug width: 21mm
Standard strand length at 12h: 75mm
Length 6h: 120mm
Buckle
Double Folding Buckle (stainless steel)
Buckle width: 18mm
Movement – Jaeger-LeCoultre Calibre 938
Automatic winding
Components: 262
Vibrations per hour: 28,800
Jewels: 39
Barrel: 1
Thickness: 4.97mm
Power reserve: 70 hours
Key Features of the Jaeger-LeCoultre Master Ultra Thin Power Reserve
1. Ultra-Thin Sophistication
With an exceptionally slim profile, the Master Ultra Thin Power Reserve maintains a refined and elegant look, making it an ideal dress watch for any occasion.
2. Power Reserve Indicator
A standout feature, the power reserve indicator elegantly displays the remaining energy, ensuring optimal functionality and convenience.
3. In-House Calibre 938 Movement
Powered by Jaeger-LeCoultre’s Calibre 938, this automatic movement delivers unparalleled precision, reliability, and an impressive 70-hour power reserve.
4. Refined Dial Design
The silvered, sunray-brushed dial, complemented by Dauphine hands and rhodium-plated hour markers, enhances legibility while exuding sophistication.
5. Premium Materials
Crafted in stainless steel or 18k pink gold, the watch features a scratch-resistant sapphire crystal and an exhibition case back, revealing the finely decorated movement.
6. Balanced Case Dimensions
With a 39mm diameter and 9.85mm thickness, this timepiece achieves a perfect balance between elegance and comfort, making it versatile for all wrist sizes.
7. Luxurious Alligator Leather Strap
A premium alligator leather strap, complete with an interchangeable system, ensures a refined yet comfortable fit.
8. 1000-Hour Control Certification
Like all Jaeger-LeCoultre timepieces, the Master Ultra Thin Power Reserve undergoes a 1,000-hour quality control test, ensuring superior craftsmanship and long-lasting durability.
Why Choose the Jaeger-LeCoultre Master Ultra Thin Power Reserve?
1. Timeless Elegance & Ultra-Thin Design
The Master Ultra Thin Power Reserve is the epitome of refined sophistication. Its sleek, minimalist profile ensures a discreet yet luxurious presence, making it an impeccable dress watch for both formal and casual settings.
2. Exceptional Swiss Craftsmanship
Renowned as the "Watchmaker of Watchmakers," Jaeger-LeCoultre’s expertise in fine horology is evident in every detail, ensuring precision, artistry, and innovation.
3. Precision & Reliability
Powered by Jaeger-LeCoultre’s in-house Calibre 938, this movement guarantees exceptional timekeeping with an impressive 70-hour power reserve, allowing for extended wear without frequent winding.
4. Functional Power Reserve Indicator
The strategically placed power reserve indicator enhances usability, allowing wearers to monitor the remaining energy at a glance.
5. Balanced Proportions & Wearability
The 39mm case diameter and 9.85mm thickness strike the perfect balance between elegance and comfort, making it suitable for any wrist size.
6. Luxurious Materials & Craftsmanship
With premium stainless steel or 18k pink gold, a sunray-brushed dial, and Dauphine hands, this timepiece exudes refined aesthetics and superior legibility.
7. High-Quality Strap for Supreme Comfort
The alligator leather strap, paired with an interchangeable system, provides both comfort and versatility.
8. Uncompromising Quality & Durability
Every Master Ultra Thin Power Reserve undergoes the rigorous 1,000-hour quality control test, ensuring it meets the highest standards of precision, durability, and performance.
A True Investment in Luxury and Heritage
Owning a Jaeger-LeCoultre Master Ultra Thin Power Reserve is more than just wearing a watch—it’s an investment in timeless elegance, heritage, and innovation. Whether you're a seasoned collector or a first-time buyer, this masterpiece promises sophistication, precision, and lasting value for generations to come.
Note:
All information provided on this platform is sourced from various online references. While most details are accurate, we encourage readers to verify information independently. If any inaccuracies or copyright concerns arise, please contact us for appropriate action.
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