The Frédéric Piguet Caliber 1150-4 is a sophisticated evolution within the renowned Caliber 1150 series, produced by Frédéric Piguet SA, a prestigious Swiss manufacturer recognized for crafting exceptional mechanical watch movements. This caliber maintains the ultra-thin design philosophy of the 1150 family while incorporating refinements that enhance its reliability, accuracy, and mechanical efficiency.

Technical Specifications

• Type: Automatic (self-winding)

• Diameter: Approximately 25.60 mm (10¾ lignes)

• Height: Around 3.25 mm

• Jewels: 26

• Frequency: 21,600 vibrations per hour (3 Hz)

• Power Reserve: Approximately 100 hours

• Functions: Hours, minutes, and date

• Shock Protection: Equipped with Kif shock protection system

• Balance Wheel: Glucydur balance wheel

• Adjustments: Adjusted to 5 positions

Design and Engineering

The Caliber 1150-4 preserves the slim profile of its predecessors with a height of about 3.25 mm, achieved through precise engineering. This ultra-thin construction allows watchmakers to create elegant and refined cases without compromising on mechanical performance.

The movement features a reliable automatic winding mechanism that efficiently transfers energy to the mainspring, supporting its long power reserve. With 26 jewels strategically placed to minimize friction, the movement ensures smooth operation and enhanced durability.

A Glucydur balance wheel and Kif shock protection provide stability and protect critical components from shocks, contributing to consistent accuracy and longevity.

Applications in Watchmaking

This caliber is predominantly found in high-end dress watches that prioritize slimness and sophisticated aesthetics. Its inclusion of a date function alongside hours and minutes makes it versatile for timepieces requiring practical features while maintaining elegance.

Brands known for their commitment to Swiss watchmaking excellence often incorporate the Caliber 1150-4 in their collections, where its slim dimensions and reliable performance complement refined designs.

Maintenance and Longevity

The Caliber 1150-4 benefits from robust construction and quality materials, making it durable with proper care. Watchmakers appreciate its accessible design, which facilitates maintenance and repair. Availability of spare parts supports long-term serviceability, ensuring timepieces with this caliber remain functional and valuable over time.

Conclusion

The Frédéric Piguet Caliber 1150-4 exemplifies the fusion of mechanical sophistication and elegant design. It upholds the legacy of the 1150 series by delivering precise timekeeping, extended power reserve, and a slim profile suitable for luxury dress watches. This movement continues to be a favored choice among collectors and horologists who value refined craftsmanship and technical excellence.