The Parmigiani Fleurier Tonda PF Micro-Rotor Platinum Stone Blue represents a contemporary interpretation of luxury horology, blending minimalist design with advanced mechanical engineering. Launched in 2021 under the direction of CEO Guido Terreni, the Tonda PF collection marked a strategic shift towards integrated sports watches while retaining the brand’s heritage of refined craftsmanship. This review examines the technical and aesthetic attributes of this limited-edition model, which is restricted to 25 pieces.
A horological gentleman – Tonda
The Tonda PF lineage originates from Parmigiani Fleurier’s classical Tonda series, redesigned to align with modern horological trends. The collection’s nomenclature derives from Michel Parmigiani’s original PF logo, reintroduced as a hallmark of the rebranded line. Under Terreni’s leadership, the Tonda PF was conceived to compete within the luxury sports watch segment, emphasising understated elegance through streamlined cases, integrated bracelets, and guilloché dial patterns. The Micro-Rotor variant exemplifies this philosophy, prioritising technical innovation within a purist design framework.
The Platinum exigence
The Stone Blue dial employs a sandblasted platinum 950 surface, achieving a matte texture that diffuses light uniformly. This chromatic choice references Le Corbusier’s architectural palette, enhancing legibility through contrast with 18ct rhodium-plated appliques. A bi-level construction separates the hour markers from the central Grain d’Orge guilloché pattern, a barleycorn motif machine-engraved at a microscopic scale to avoid visual clutter]. Skeletonised delta hands in matching rhodium-plated gold complete the monochromatic scheme, omitting secondary complications to maintain design coherence.
The PF703 manufacture
At its core lies the PF703 manufacture calibre, an ultra-thin automatic movement measuring 3.07mm in height. The platinum 950 micro-rotor, featuring Grain d’Orge guilloché, enables a slimmer profile than traditional oscillating weights while maintaining a 48-hour power reserve through bidirectional winding. Technical specifications include the rather low frequency of 21,600 vph (3Hz), 176 elements from which 29 rubies. The decorations include Côtes de Genève on bridges, perlage baseplate, bevelled edges
The movement’s architecture prioritises symmetry, with Geneva stripes radiating from the central axis. Though lacking the thermal bluing often seen in haute horlogerie, the rhodium-plated finishes provide a neutral tonal contrast against the platinum rotor.
Precious ergonomy
Crafted from 950 platinum, the 40mm case achieves 7.8mm thickness through vertical integration of the PF703 movement. A knurled bezel – milled using historical watchmaking tools – provides tactile differentiation from polished case surfaces]. The teardrop lugs facilitate seamless integration with the bracelet, which combines satin-brushed and mirror-polished links in matching platinum. Technical attributes specify the water resistance of 100 metres, a 4.3mm screwed-down design and exhibition sapphire with limited-edition engraving The mass distribution counterbalances the platinum’s density (21.45g/cm³), achieving wrist presence without compromising comfort.
A true high-end luxury sports watch
The Tonda PF Micro-Rotor Platinum Stone Blue exemplifies Parmigiani Fleurier’s technical capabilities within the integrated sports watch category. Its value proposition lies in the synthesis of precious materials, restrained aesthetics, and micro-engineering solutions like the platinum rotor system. While positioned against established competitors in the platinum watch segment, the model distinguishes itself through the deliberate omission of complications, instead focusing on horological fundamentals. The 25-piece limitation underscores its exclusivity, though the design language suggests a potential for future iterations within the PF collection.
Parmigiani Fleurier Tonda PF Micro-Rotor Platinum Stone Blue Technical Specification
Ref. PFC914-2020022-200182 – CHF 85’000 / 95´500 €
Functions
- Hours, minutes
Movement
- PF703 – AUTOMATIC WINDING MANUFACTURE
- MOVEMENT WITH PLATINUM 950 MICROROTOR
- Power reserve: 48 hours
- Frequency: 21,600 Vph (3 Hz)
- Jewels: 29
- No. of components: 166
- Total diameter: 30.6 mm
- Thickness: 3.07 mm
- Decoration: Côtes de Genève, Perlage, bevelled
- bridges
- Oscillating weight: platinum 950 micro-rotor,
- Grain d’Orge guilloché
Dial
- Colour: Stone Blue
- Material: platinum 950
- Finishing: sandblasted
- Indexes: hand-applied 18ct gold rhodium-plated appliques
- Hands: 18ct gold rhodium-plated skeletonized delta-shaped
Case
- Polished and satin-finished platinum 950 with knurled bezel
- Diameter: 40 mm
- Thickness: 7.8 mm
- Crown: Ø 4.3 mm, screwed-in
- Glass: ARunic anti-reflective sapphire
- Case back: sapphire glass
- Engraving on case back: serial number – “SWISS MADE” – “PARMIGIANI FLEURIER” – “1 of 25”
- Water resistance: 100 m
Bracelet
- Polished and satin-finished platinum 950 bracelet
- Closure: 18ct white gold folding clasp
THE ART OF TIME THROUGH THE GOLDEN RATIO
“The Golden Ratio is far more than a mathematical formula: it is the universal breath that orders beauty and harmony. Every creation I shape—from the curves of the lugs to the guilloché patterns—carries this eternal balance. It is the guiding thread, the invisible essence that connects the case’s proportions, the grace of the hands, and the soul of every timepiece. Through it, watchmaking becomes a silent poetry, an echo of nature’s immutable laws.”
Michel Parmigiani, Founder and Master Watchmaker