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May 3, 2025H. MOSER & CIE. AND STUDIO UNDERD0G UNVEIL A FUN AND MAVERICK COLLABORATION: IT’S ABOUT PASSION FRUIT
Neuhausen am Rheinfall, August 29, 2024
In a delightful twist of horological fate, H. Moser & Cie. and Studio Underd0g have joined forces to create a collaboration that’s anything but ordinary. These two maverick brands — from opposite ends of the high-end watch spectrum — have come together to celebrate the unexpected, the bold, and the extraordinary.
Introducing a dynamic duo: the Endeavour Perpetual Calendar Passion Fruit by H. Moser & Cie., and the 03SERIES Passion Fruit by Studio Underd0g. These timepieces go beyond telling time — they make a statement. With a blend of elegance, technical innovation, and playful rebellion, both watches reflect their makers’ distinctive spirits.
The Endeavour Perpetual Calendar Passion Fruit channels H. Moser & Cie.’s signature philosophy of minimalism fused with mechanical sophistication, powered by their celebrated in-house star calibre. On the other hand, the 03SERIES Passi0n Fruit features a Swiss cam-operated mono-pusher chronograph — a bold first for Studio Underd0g — proving once again that the underdog should never be underestimated.
“Our collaboration is fuelled by a shared passion — a passion for crafting timepieces that are not just functional, but truly artistic,” says Edouard Meylan, CEO of H. Moser & Cie. “Together with Studio Underd0g, we’ve embarked on a journey to celebrate the joy and beauty of horology, creating a fun and unforgettable experience for collectors.”
These watches are more than accessories — they’re expressions of individuality. Each piece is strong enough to stand on its own, yet both are inherently linked: the Endeavour offers refined sophistication, while the 03SERIES brings a vibrant, contemporary edge.
Bursting with bold, acid-inspired colours, the designs radiate the creativity and energy that define both brands. The Endeavour features a striking combination: a purple lacquered sunburst dial paired with a Maracuja “Grand Feu” enamel subdial on an 18-carat yellow gold hammered base. Meanwhile, the 03SERIES Passi0n Fruit showcases a Coarse Dégradé Amber and Royal Purple multilayer dial, offering the perfect harmony of exuberance and refinement.
True to their values, both watches are presented without logos — yet remain instantly recognizable. A subtle touch of green on each dial represents the seed of passion within every watch enthusiast — a quiet but powerful nod to the creativity and spirit that fuel horological innovation.
Limited to just 100 pieces, this collaboration marks a milestone: the first time Studio Underd0g has partnered with another watchmaker. “We are thrilled to work with H. Moser & Cie. on this groundbreaking collaboration,” says Richard Benc, founder and CEO of Studio Underd0g. “By leaning into our shared values, we’ve created something truly special.”
The H. Moser & Cie. x Studio Underd0g collaboration is a vibrant celebration of creativity, passion, and the maverick spirit — and a tribute to the watch communities that inspire us all.
Technical Specifications
H. Moser Endeavour Perpetual Calendar Passion Fruit
Reference: 1800-1200 | Limited Edition of 100 Pieces
- Material: Stainless Steel
- Diameter: 42.0 mm
- Height: 12.8 mm
- Curved sapphire crystal (front and back)
- Steel case-back with curved sapphire crystal
- Steel crown engraved with the Moser "M"
- Main dial: Purple lacquered with sunburst pattern
- Second dial: Maracuja fumé "Grand Feu" enamel with hammered texture
- 18-carat yellow gold base with polished and rhodium-plated edge
- Leaf-shaped hands
- Small arrow-shaped month hand with green lacquered tip
- Large date display
- Lacquered small seconds sub-dial with circular pattern
- Calibre: HMC 800 Manufacture (Hand-wound)
- Diameter: 34.0 mm (15 lignes)
- Height: 6.3 mm
- Frequency: 18,000 vibrations/hour (2.5 Hz)
- 32 jewels
- Power reserve: Minimum 7 days
- Hacking seconds
- Double barrel
- Interchangeable Moser escapement
- Original Straumann® hairspring
- Gold pallet fork and escapement wheel
- Movement and components hand-finished and decorated
- Hours and minutes
- Perpetual calendar
- Big date display
- Central month indicator
- Small seconds at 6 o’clock
- Power reserve indicator at 9 o’clock
- Leap year indicator (on movement side), finished in purple and maracuja tones with a green accent
- Light brown waxy gaucho leather strap
- Stainless steel folding clasp engraved with the Moser logo
Technical Specifications
Studio Underd0g 03SERIES Passi0n Fruit
Reference: 03PFB | Limited Edition of 100 Pieces
- 316L Stainless Steel
- Diameter: 38.5 mm
- Height: 13.6 mm
- Sapphire crystals (double domed front and flat exhibition back)
- Signed stainless steel crown
- Coarse Dégradé Amber upper with Royal Purple radial brushed lower section
- Pencil-shaped hands
- Chronograph seconds and minute hands with green tip accents
- Hand-wound Sellita SW510 M
- Diameter: 30.0 mm
- Height: 7.0 mm
- Regulation: Spécial (SW) - Elab
- Frequency: 28,800 vibrations/h
- 23 jewels
- Power reserve: 63 hours
- Hacking seconds
- Cam-operated mono-pusher chronograph
- Signed rhodium bridge
- Hours and minutes
- Mono-pusher chronograph
- 60-second counter via central hand
- 30-minute counter at 3 o’clock
- Seconds sub-dial at 9 o’clock
- Hand-stitched black epsom calfskin leather by The Strap Tailor
- Signed stainless steel pin and buckle
About H. Moser & Cie.
H. Moser & Cie. was founded by Heinrich Moser in 1828. Based in Neuhausen am Rheinfall, the company employs over 90 people, has developed 18 in-house calibres to date, and produces around 4,000 watches per year.
Through its sister company, Precision Engineering AG (PEAG), H. Moser & Cie. manufactures key components such as regulating organs and balance springs, both for its own timepieces and for its partner brands. Incorporated into Moser Watch Holding in 2012, PEAG specialises in escapement components—from initial design to final production.
A proud connection to the Moser lineage remains intact, with a family member serving as Honorary Chairman and President of the Heinrich and Henri Moser Foundation. The foundation was established by one of Heinrich Moser’s descendants to preserve the family’s legacy and acquire historical pieces for the Moser Museum, located in Charlottenfels Manor, the Moser family home.
With its rich horological expertise and respected reputation in the industry, MELB Holding—an independent, family-owned group based in the heart of the legendary Vallée de Joux—holds shares in H. Moser & Cie., Hautlence, and Agenhor SA.
About Studio Underd0g
Why can’t horology be a little more playful? In an industry that often takes itself very seriously, Studio Underd0g offers a refreshing new perspective.
“Despite our playful approach, we don’t joke around when it comes to design. Every detail—texture, material, finishing, and colour—has been meticulously considered,” says Richard Benc, founder of Studio Underd0g.
Founded in 2021, this young British brand has been brought to life with the enthusiastic support of the watch community. Studio Underd0g stands as a vibrant and imaginative force in contemporary watchmaking.