Moser Pioneer Flying Hours

In the sphere of independent watchmaking, certain names command attention through a consistent blend of mechanical ingenuity and distinct design language. H. Moser & Cie. has carved out such a reputation, not by shouting the loudest, but by creating timepieces that speak volumes through their refined complexity and often minimalist dials. The Schaffhausen-based manufacture continues this tradition by expanding one of its most dynamic lines, introducing a compelling new take on a classic complication with the Pioneer Flying Hours. This release marries the robust, go-anywhere spirit of the Pioneer collection with the captivating visual theater of a satellite time display.

Founded by Heinrich Moser in 1828, H. Moser & Cie. has a rich history rooted in both entrepreneurial spirit and high-quality watchmaking. After a period of dormancy, the brand was revived in the early 2000s with a clear mission: to create exceptional, in-house calibres housed in classically inspired yet modern cases. This commitment to vertical integration is significant; through its sister company, Precision Engineering AG, Moser produces its own regulating organs and balance springs, a feat few manufactures can claim. This technical self-sufficiency allows for a level of creative freedom that manifests in their signature fumé dials, clean aesthetics often devoid of logos, and mechanically creative complications.



The Pioneer collection, first launched in 2015, represents Moser’s interpretation of a versatile luxury sports watch. It was designed to be a companion for every aspect of life, equally at home in a boardroom or on a boat. Characterized by sculpted case flanks, a screw-in crown, and a substantial water resistance of 12 ATM (120 meters), the Pioneer is built for durability without sacrificing the refined finishing expected from the brand. It is this robust and adventurous platform that now plays host to one of Moser’s more artistic complications.

The concept of "wandering hours" or a "satellite" display is not new to watchmaking, with historical roots stretching back centuries. The principle involves displaying the hour on a moving indicator that travels along a minute track. H. Moser & Cie. first introduced their version of this complication, which they call Flying Hours, in 2018. Now, seven years after that initial launch, they have evolved the mechanism for the new Pioneer models, creating a more direct and intuitive reading experience.

A key update in these 2025 releases is the shift from a gradual hour change to an instantaneous one. In the previous generation of Moser's Flying Hours, the hour numerals would slowly glide into and out of view. In the new Pioneer Flying Hours, the numeral for the new hour jumps crisply and precisely into place at the top of the hour. This mechanical enhancement, drawing on innovations from their other complex calibres, not only improves at-a-glance legibility but also adds a moment of mechanical spectacle to the transition of each hour.

Two distinct variations of the Pioneer Flying Hours have been introduced, each offering a unique personality. The first is a limited edition piece that leans into luxurious mystique. Reference 3240-0900 is presented in a striking combination of materials: the main case structure is crafted from warm 5N red gold, which is contrasted by black DLC-treated titanium inserts on the case sides. This mix of precious metal with a modern, technical coating creates a visually dynamic and sophisticated profile.



The dial of this limited edition is arguably its most captivating feature. It is made from aventurine, a type of glass infused with mineral inclusions that gives it the appearance of a deep, star-filled night sky. Against this glittering backdrop, the time-telling mechanism unfolds. There are no traditional hands. Instead, a large, skeletonized central wheel, coated in black, indicates the minutes along a 120-degree arc printed at the top of the dial. Three smaller discs, each bearing four hour numerals, are positioned beneath the dial, orbiting the central wheel. Each hour disc rotates to display the current hour through a dedicated aperture, making for a truly unique time display. Limited to just 100 pieces, this model is a statement of exclusivity.

The case of the red gold model measures 42.8 mm in diameter, a contemporary size that provides ample presence on the wrist. The total height is 16.1 mm, though the measurement excluding the domed sapphire crystal is a more wearable 12.5 mm. The intricate sculpting of the lugs and the recessed, textured case flanks are hallmarks of the Pioneer design. A screw-in crown, rendered in black DLC-treated titanium and signed with the Moser "M," ensures the 12 ATM water resistance. A see-through sapphire case-back reveals the intricate movement within.

Completing the look of the aventurine model is a black rubber strap. This choice reinforces the Pioneer's sporty DNA, providing comfort and durability while contrasting beautifully with the red gold case. The strap is fitted with a pin buckle made from black DLC-treated titanium, engraved with the Moser logo, ensuring a cohesive and secure fit.

The second model, Reference 3240-1200, offers a different, more industrial and understated aesthetic. Housed in a 42.8 mm case made entirely of stainless steel, this version is not a limited edition, positioning it as a core offering within the collection. Its character is defined by purity and a focus on the mechanics of the display.



The dial of the steel model is a signature H. Moser & Cie. White fumé with a sunburst pattern. This finish creates a beautiful gradient effect, with a bright, almost silvery center that darkens towards the periphery of the dial. This clean, bright canvas allows the blue-coated central minutes wheel to stand out, providing a vibrant dash of color. The hour numerals are presented in the same satellite fashion as the gold model, with the stark white background making the jumping hour display exceptionally clear and prominent.

The stainless steel case shares the 42.8 mm diameter of its sibling but has a slightly slimmer profile, measuring 14.2 mm in total height, or 10.6 mm without the sapphire crystal. This subtle difference enhances its wearability for a broader range of wrists. The case architecture is identical, featuring the same sculpted forms and a steel screw-in crown. The combination of brushed and polished surfaces on the steel case gives it a refined yet functional appearance, perfectly embodying the spirit of a versatile high-end sports watch.

The steel Pioneer Flying Hours is paired with a grey rubber strap that perfectly complements the cool tones of the case and the White fumé dial. This integrated strap is supple and comfortable, suitable for all-day wear in any environment. It fastens with a stainless steel pin buckle, also engraved with the Moser logo, completing a unified and modern design.

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Powering both timepieces is the HMC 240 automatic Manufacture calibre. This movement is the result of significant in-house development, engineered specifically to operate the unique planetary display of hours and minutes. Measuring 32.0 mm in diameter and 7.8 mm in height, it is a robust engine designed for reliability and performance. It features a bi-directional winding system for efficient power generation.

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The technical specifications of the HMC 240 are impressive. It operates at a frequency of 21,600 vibrations per hour (3 Hz) and contains 35 jewels. When fully wound, it provides a minimum power reserve of 72 hours, or three full days, allowing the watch to be set aside for a weekend without needing to be rewound. The escapement features an original Straumann® hairspring with a flat overcoil, produced by Moser's sister company, showcasing the brand's commitment to in-house component manufacturing.

Visible through the exhibition case-back, the movement displays a modern and technical finish. The bridges and plates are treated with an anthracite finish, giving them a dark grey, contemporary appearance that contrasts with the moving gears and jewels. A notable difference between the two models lies in the oscillating weight. The limited edition red gold version is equipped with a solid 18-carat red gold rotor, while the steel model features a rotor made from tungsten, a dense material chosen for its winding efficiency.

Reading the time on the Pioneer Flying Hours is an engaging experience. The wearer’s eye is first drawn to the large central structure. The tip of one of its three arms points to the minutes on the 120-degree scale. Simultaneously, the current hour is clearly displayed in a small window that travels along with the minute scale. As the minute indicator approaches the 60-minute mark, anticipation builds. At the precise turn of the hour, the disc displaying the current hour rotates away, and the next disc instantly snaps its corresponding numeral into place, all while the entire central assembly continues its steady rotation. This "hypnotic ballet," as the brand describes it, is a highly technical and captivating alternative to traditional hands.

These watches are a clear expression of H. Moser & Cie.'s philosophy. In an industry often fixated on tradition, Moser consistently finds ways to be different, to interpret horology through its own lens. The complete absence of a brand logo on the dials of these models is a confident statement, asserting that the design and craftsmanship alone are enough to identify the maker. It is a piece that prioritizes the display of time and the owner's experience over overt branding.



The Pioneer Flying Hours demonstrates how a complex mechanical concept can be presented with clarity and purpose. The complication is not merely for show; the instantaneous jump enhances functionality and the overall design is cohesive and thoughtful. The choice to house this mechanism within the robust Pioneer case makes it a practical piece of high watchmaking, one that does not need to be confined to a safe. It is built to be worn and experienced, embodying the idea that true luxury is found in usability and intelligent design.

For those interested in acquiring one of these unique timepieces, the two models are positioned at different points in the market. The Pioneer Flying Hours in steel with the White fumé dial (Reference 3240-1200) is priced at $41,200 USD and will be part of the brand's regular collection. The Pioneer Flying Hours in 5N red gold and DLC titanium with the aventurine dial (Reference 3240-0900) is a limited edition of 100 pieces, reflecting its more exotic materials and dial, with a price of $49,900 USD. Both offer a distinct and compelling way to experience time, curated by one of watchmaking's most fiercely independent houses.

Pioneer Flying Hours Aventurine

Case: 5N red gold and inserts in black DLC-treated titanium. 42.8 mm diameter, 16.1 mm height. Water-resistant to 12 ATM. See-through case-back.

Movement: HMC 240 automatic calibre. 72-hour minimum power reserve. 21,600 Vib/h frequency. 35 jewels. Solid 18-carat red gold oscillating weight.

Dial: Aventurine dial. Planetary display with 3 discs for the hours and a central wheel for the minutes.

Strap: Black rubber strap with a pin buckle in black DLC-treated titanium.

Price: $49,900 USD

Reference Number: 3240-0900

Notes: Limited edition of 100 pieces. Features an instantaneous jumping hour display, an evolution from the brand's previous gradual display.



Pioneer Flying Hours White Fumé

Case: Steel. 42.8 mm diameter, 14.2 mm height. Water-resistant to 12 ATM. See-through case-back.

Movement: HMC 240 automatic calibre. 72-hour minimum power reserve. 21,600 Vib/h frequency. 35 jewels. Tungsten oscillating weight.

Dial: White fumé with sunburst pattern. Planetary display with 3 discs for the hours and a central wheel for the minutes.

Strap: Grey rubber strap with a steel pin buckle.

Price: $41,200 USD

Reference Number: 3240-1200

Notes: Unlimited production model. Features an instantaneous jumping hour display, making the time more intuitive to read than previous versions.