The Frédéric Piguet Caliber 620 is a Swiss-made, manual-winding mechanical movement introduced in the 1970s. Manufactured by Frédéric Piguet SA, a company renowned for producing high-quality watch movements, the Caliber 620 exemplifies the brand's commitment to precision and craftsmanship.

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 620 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 620 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 620 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 Cartier and Chopard. For instance, the Cartier Tank Basculante, a part of the Collection Privée Cartier Paris (CPCP) line, houses this movement, showcasing its application in luxury watchmaking.

Maintenance and Longevity

Due to its quality construction and thoughtful design, the Frédéric Piguet 620 is known for its longevity and reliability. Watchmakers appreciate its straightforward architecture, which facilitates servicing and maintenance. Components for the Caliber 620 are available through specialized retailers, ensuring that the movement can be properly maintained and restored.

Conclusion

The Frédéric Piguet Caliber 620 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 620 represents a harmonious blend of technical prowess and aesthetic elegance, solidifying its place in the legacy of fine horology.