The Hourstriker Verdict
The newest Tonda PF sees Parmigiani Fleurier scale down their extremely popular sports watch does to just 36 compact millimeters. The brand then adds a stunning Alta Rosa dial which gives off amazing pink hues. The smaller Tondo PF is still a solid sports watch with a robust automatic movement and 100 meters of water resistance. I love that Parmigiani Fleurier was able to size down their full on sports watch into such a compact package and the beautiful dial is just cherries on top.
— Peter, Editor-in-Chief
Parmigiani Fleurier has expanded its Tonda PF collection with the introduction of the Tonda PF Automatic 36mm Alta Rosa, bearing the specific reference number PFC804-1020007-100182. The release shifts the focus toward a smaller case format while strictly maintaining the established architectural language of the integrated bracelet sports watch category. The luxury integrated sports watch segment, defined historically by geometric steel cases and complex steel bracelets, has seen a recent industry-wide correction back toward mid-century dimensions. Historically, 36mm was the standard diameter for daily-wear wristwatches before manufacturers pushed case dimensions well beyond the 40mm mark throughout the early 2000s. By engineering a 36.1mm diameter case, Parmigiani Fleurier addresses a specific market demand for constrained proportions that do not compromise on modern manufacturing tolerances. This reference utilizes a highly finished stainless steel case paired with a distinct pink dial, internally designated by the brand as Alta Rosa. The watch operates on a strict time-only display format, deliberately omitting a date complication to preserve the absolute symmetry of the dial layout. The overall profile measures exactly 8.6mm in thickness, placing the watch firmly within the ultra-thin category for automatic sports watches.
Executing the design of the Tonda PF line relies heavily on advanced finishing techniques and subtle material contrasts rather than relying on complex dial architectures or aggressive case shapes. The integration of the steel bracelet into the primary case housing dictates the overarching geometry, requiring exacting engineering at the lug juncture to ensure the metal drapes correctly across varying wrist sizes. Parmigiani Fleurier implements a proprietary teardrop lug profile that flows uninterrupted directly into the outer links of the bracelet, serving as a key visual signature of the brand. The Alta Rosa variant retains the core structural specifications of the broader 36mm Tonda PF range, including the practical 100-meter water resistance rating. This specific depth rating is achieved through the implementation of a threaded screw-down crown and a heavily secured exhibition caseback, allowing the watch to function as a robust daily wearer. The reduction in exterior case size from the standard 40mm micro-rotor versions necessitated an entirely different movement architecture to properly fit the reduced internal volume. Consequently, the 36mm models utilize the PF770 caliber, a centrally winding automatic movement tailored specifically for this compact case dimension.

Courtesy of Parmigiani Fleurier
The Case and Dial
Structurally, the stainless steel case of the 36mm Alta Rosa employs a complex series of alternating surface finishes designed to highlight its underlying geometry. The primary flat surfaces of the mid-case feature a distinct horizontal satin brushing that visually breaks up the mass of the steel alloy. This directional brushing is sharply framed by high-polished chamfers that run along the outer edges of the teardrop lugs, reflecting light aggressively at extreme viewing angles. Surmounting the steel mid-case is a finely knurled bezel crafted entirely from solid 950 platinum, a material chosen specifically for its high density and distinct white-metal luster that differs noticeably from the adjacent stainless steel. The knurling process involves pressing a hardened steel cutting tool against the raw platinum blank under immense pressure to create a continuous series of parallel ridges and grooves. This industrial technique requires significant precision, especially when working with 950 platinum, which is difficult to machine cleanly due to its inherent malleability. The resulting knurled texture provides a tactile outer surface while effectively hiding the inevitable micro-scratches that accumulate on standard high-polished bezels over years of wear. A flat sapphire crystal treated with an ARunic anti-reflective coating protects the dial assembly, significantly reducing harsh glare.
Anchoring the visual identity of reference PFC804-1020007-100182 is the Alta Rosa dial, which utilizes a precise Grain d'Orge, or barleycorn, hand-guilloché pattern across its entire surface. Guilloché is an established horological technique where a rose engine lathe is manually operated by an artisan to engrave precise, intersecting geometric lines into a solid metal dial blank. The barleycorn pattern creates a dense series of small, raised diamond-shaped pyramids that catch and reflect ambient room light from multiple different directions simultaneously. The pale pink Alta Rosa dial color is achieved through a strictly controlled galvanic treatment process that deposits the metallic hue evenly across the engraved texture without allowing the colorant to pool thickly in the deep recesses of the engraving. To maintain the severe minimalist aesthetic of the broader Tonda PF line, the dial is fitted with very short, applied 18-karat gold indices that are rhodium-plated to match the white metal tones of the outer case. The hour and minute hands utilize a delta-shaped profile, are similarly crafted from rhodium-plated 18-karat gold, and feature a highly skeletonized internal design. This extensive skeletonization reduces the physical visual weight of the handset, allowing the wearer maximum uninterrupted visibility of the intricate guilloché pattern situated directly beneath them. The branding on the dial is restricted entirely to a simple, applied oval PF logo positioned exactly at the 12 o'clock index.

Courtesy of Parmigiani Fleurier
The Movement
Driving the hands of the 36mm Alta Rosa is the manufacture caliber PF770-HM, an automatic mechanical movement developed and produced entirely in-house by Parmigiani Fleurier. The movement operates at a modern, high-beat frequency of 4 Hz, which equates to exactly 28,800 vibrations per hour. Measuring 25.6mm in total diameter and a mere 3.9mm in total thickness, the caliber PF770-HM is dimensionally optimized for the 36.1mm case, ensuring that the movement fills the rear exhibition window without requiring large metal spacer rings. The caliber consists of 179 individual machined components and utilizes 29 synthetic ruby jewels to drastically reduce metal-on-metal friction at critical pivot points within the going train. Despite its slim physical profile, the movement achieves a substantial 60-hour power reserve off a single fully wound mainspring barrel. This extended power reserve is highly practical, allowing the piece to remain actively running and keeping correct time when left completely off the wrist for two and a half days. The automatic winding is accomplished via a large central rotor mechanism rather than the inset micro-rotor design found in the larger 40mm Tonda PF models, an engineering adaptation dictated by the drastically reduced internal spatial constraints of the 36mm format.
Finishing across the components of the caliber PF770-HM adheres strictly to the rigorous standards expected within the upper echelon of traditional Swiss watchmaking. The main structural bridges are decorated with a wide, even Côtes de Genève pattern, consisting of a series of parallel, wave-like abrasions. The outer edges of these brass bridges feature hand-applied anglage, a process where the sharp 90-degree corners are manually filed down to a flat 45-degree bevel and subsequently polished to a flawless mirror finish. The main baseplate, clearly visible beneath the oscillating balance wheel and the primary gear train, is covered extensively in circular graining, also known as perlage, which consists of hundreds of tightly overlapping engine-turned circles. The automatic winding system is powered by a heavily skeletonized oscillating weight crafted from solid 22-karat rose gold. The inherently high mass of the 22-karat gold alloy significantly increases the rotational inertia of the rotor, maximizing the overall winding efficiency generated by the natural daily motion of the wearer's wrist. The gold rotor itself is detailed with a complex combination of high-polished outer bevels and rough sandblasted recessed areas, creating a high-contrast aesthetic that frames the central applied PF logo. The entire caliber is visible through a flat sapphire crystal exhibition caseback, secured to the primary mid-case with traditional watchmaking screws to maintain water resistance.

Courtesy of Parmigiani Fleurier
The Bracelet
Securing the watch to the wrist is an integrated stainless steel bracelet that utilizes a complex asymmetrical link structure to achieve its specific articulated drape. The wide, flat center links are heavily brushed with a vertical satin finish, perfectly matching the directional texture of the primary case lugs. These large center links are closely flanked by highly polished outer edge components that provide a sharp visual frame running along the entire length of the bracelet. The links taper significantly in total width from the case down to the closure mechanism, reducing the physical bulk of the steel on the underside of the wrist. The bracelet is fastened via a concealed stainless steel butterfly folding clasp.

Courtesy of Parmigiani Fleurier
Pricing and Availability
Pricing for the Parmigiani Fleurier Tonda PF 36mm Alta Rosa is set at an official retail cost of $25,800 USD under the reference number PFC804-1020007-100182. The timepiece is positioned directly alongside other premium integrated bracelet steel sports watches produced within the highest tiers of the luxury horology sector. The watch is made available for purchase directly through authorized Parmigiani Fleurier brand boutiques and a highly select network of global retail partners. The timepiece is delivered with a standard three-year international sales warranty covering manufacturing defects, which can be extended by an additional two years upon digital registration by the owner through the manufacturer's online portal.

Courtesy of Parmigiani Fleurier
Technical Specifications
Case: Stainless steel and 950 platinum knurled bezel, 36.1mm diameter, 8.6mm thickness, ARunic anti-reflective sapphire crystal, sapphire caseback, 100m water resistance.
Movement: Manufacture Calibre PF770-HM, automatic winding, 25.6mm diameter, 3.9mm thickness, 4 Hz (28,800 vph) frequency, 60-hour power reserve, 179 components, 29 jewels, 22ct rose gold skeletonized rotor.
Dial: Alta Rosa pink color, Grain d'Orge hand-guilloché finishing, 18ct gold rhodium-plated skeletonized delta hands, applied 18ct gold rhodium-plated indices.
Strap: Integrated stainless steel bracelet featuring polished outer elements and satin-finished center links, concealed folding clasp.
Price: $25,800 USD
Reference Number: PFC804-1020007-100182
Notes: Backed by a standard three-year international sales warranty, which owners can extend by an additional two years upon registering the timepiece via a My PF account.