The Frédéric Piguet Caliber 816 is an ultra-thin mechanical movement produced by Frédéric Piguet SA, a Swiss company renowned for its high-quality watch movements. Introduced in the mid-20th century, the Caliber 816 exemplifies the brand's commitment to precision and innovation in watchmaking.

Technical Specifications

• Type: Manual winding

• Diameter: Approximately 15.7 mm (6¾ lignes)

• Height: Around 2.10 mm

• Jewels: 21

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

• Power Reserve: Approximately 40 hours

• Adjustments: Adjusted to 5 positions

• Functions: Hours and minutes (no seconds hand)

• Date Function: None

• Lift Angle: 53 degrees

Design and Engineering

The Caliber 816 is characterized by its ultra-thin construction, measuring just 2.10 mm in height. This slim profile is achieved through meticulous engineering, allowing for a compact design without compromising functionality. The movement operates at a frequency of 21,600 vibrations per hour, ensuring smooth timekeeping. With a power reserve of approximately 40 hours, it offers reliable performance for daily wear.

Despite its slimness, the Caliber 816 incorporates 21 jewels, strategically placed to reduce friction and enhance durability. The movement's architecture includes a clean and efficient gear train, contributing to its reliability and ease of servicing.

Applications in Watchmaking

The Caliber 816 has been utilized in various high-end timepieces, particularly in dress watches where slimness and elegance are paramount. Notably, it has been featured in models by prestigious brands such as Audemars Piguet and Vacheron Constantin. For instance, the Audemars Piguet Caliber 2062 and the Vacheron Constantin Caliber 1132 are based on the Caliber 816, showcasing its application in luxury watchmaking.

Maintenance and Longevity

Due to its quality construction and thoughtful design, the Frédéric Piguet 816 is known for its longevity and reliability. Watchmakers appreciate its straightforward architecture, which facilitates servicing and maintenance. Components for the Caliber 816 are available through specialized retailers, ensuring that the movement can be properly maintained and restored.

Conclusion

The Frédéric Piguet Caliber 816 stands as a testament to Swiss watchmaking excellence, combining ultra-thin design with reliable performance. Its application in luxury timepieces underscores its status as a preferred choice for high-end dress watches. For enthusiasts and collectors, the Caliber 816 represents a harmonious blend of technical prowess and aesthetic elegance, solidifying its place in the legacy of fine horology.