Frederique Constant Slimline Perpetual Calendar

Frederique Constant, a brand that has always been synonymous with elegance and precision in Swiss luxury watchmaking, has once again surprised the world with its latest timepiece: the Frederique Constant Slimline Perpetual Calendar, Ref.: FC-775PS4TS6. This launch is the fruit of the brand’s commitment to innovation.

Launch of the Frederique Constant Slimline Perpetual Calendar

Frederique Constant has teamed up with renowned watchmaker Peter Speake to launch the Frederique Constant Slimline Perpetual Calendar.

This watch, which is part of the Slimline Manufacture collection, stands out not only for its design and functionality, but also for its exclusivity, as it is a limited edition of only 135 pieces.

Frederique Constant’s collaboration with Peter Speake

Before describing the characteristics of this watch, it is necessary to talk about the alliance between Frederique Constant and Peter Speake, the renowned English watchmaker. This collaboration is an event in the world of fine watchmaking and has resulted in a very special timepiece.

Who is Peter Speake?

The Welsh watchmaker trained in London and brought his talents to Switzerland, where he founded his own brand in 2002. Known for his creativity and skill, Speake-Marin’s collaboration with Frederique Constant adds a special touch to the watch, bringing his vision of innovation and quality, which is reflected in the characteristics of the Slimline Perpetual Calendar.

Frederique Constant Slimline Calendario Perpetuo

Features of the Frederique Constant Slimline Perpetual Calendar

Before delving into the technical and aesthetic details that make the Frederique Constant Slimline Perpetual Calendar such an outstanding piece of watchmaking, it is worth looking at the process that has guided its development.

This watch is the result of a meticulous design and manufacturing process that not only preserves the tradition of Swiss watchmaking, but also pushes its limits through innovation and creativity.


The design of this watch is a work of watchmaking minimalism and clarity. With only two predominant colours, white and matt anthracite grey, the watch offers a perfect contrast that enhances legibility. The choice of a touch of red on the hands adds a layer of functionality without compromising aesthetics. In its 42 mm case, we note the absence of the seconds hand. Frederique Constant has opted for a clean dial, which significantly improves legibility.

Collaboration with Peter Speake has resulted in an openwork design that allows aficionados to appreciate the complexity and beauty of the internal mechanism, all while maintaining optimal legibility.


The automatic movement of the Frederique Constant Slimline Perpetual Calendar is the result of a commitment to innovation and excellence. It is the in-house manufactured calibre FC-775 with a power reserve of 38 hours.

The decoration and finishing of each component reflect high craftsmanship, from the perlage on the movement to the blue rotor, a rare feature that adds a distinctive touch of colour.


In terms of functions, the perpetual calendar is one of the most admired complications in watchmaking, and Frederique Constant has incorporated it in this watch. This system allows the watch to automatically adjust the date, even for leap years, offering precision that lasts over time. The intuitive arrangement of the date, day, month and moon phase on the dial ensures optimal legibility, a crucial aspect for such a sophisticated complication.

Frederique Constant Slimline Calendario Perpetuo peter speake colaboracion

Beyond the perpetual calendar, this watch is notable for other technical innovations. The openworked oscillating weight, visible through the transparent caseback, allows the technical mastery of Frederique Constant to be seen.

Ideal Joyeros is an authorized distributor of the firm Frederique Constant, you can find all the available models of the different collections of Frederique Constant watches in our catalogue of fine watchmaking.




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