H. Moser & Cie. has never been one to shy away from controversy — quite the opposite. They’re renowned for their minimalist designs, and made waves early on by poking fun at the industry’s sacred cows. Whether it was their bold “Swiss Mad” watch with a case made of real Swiss cheese or having one moss-covered (yeah you know the ones), H. Moser & Cie.’s guerilla marketing tactics have been exciting to say the least. But they are equally capable of being serious. So serious in fact that their dials, best presented in bold, vivid colors in smoked fumé have become their signature, along with horological innovations in their perpetual calendars that have been executed better than most. The brand has always walked the fine line between irreverence and reverence, proving that even the most traditional crafts can have a rebellious streak.

Now, put them in a room together with Studio Underd0g and you’ll get the double of good fun. This indie watchmaker is anything but ordinary. Known for its cheeky designs and bold color palettes, Studio Underd0g has quickly carved out a niche for itself when they debuted a collection of quirky, watermelon-inspired chronographs.

The seriously fun passion fruit watches

This passion I speak of has resulted in two timepieces: the Endeavour Perpetual Calendar Passion Fruit by H. Moser & Cie. and the 03SERIES Passi0n Fruit by Studio Underd0g. 

The Endeavour Perpetual Calendar Passion Fruit is a masterclass in H. Moser & Cie.’s signature style. The watch features a striking purple lacquered sunburst dial and a Maracuja “Grand Feu” enamel dial, set against an 18K yellow gold base with a hammered texture. The absence of a visible logo only enhances its allure, allowing the craftsmanship to speak for itself.

In contrast, the 03SERIES Passi0n Fruit by Studio Underd0g is a bold statement piece that challenges the norms of traditional watchmaking. Equipped with a Swiss-cam operated mono-pusher chronograph movement, it’s a significant leap for the young brand, showcasing its ability to blend vibrant design with mechanical sophistication. The Coarse Dégradé Amber and Royal Purple multilayer dial exudes a lively energy.

What ties these two distinct creations together is a touch of green — a central detail on the Endeavour’s dial in a small arrow-shaped hand that indicates the months (and on the finger of the leap year indicator on the back), while it shows up on the tips of the 03SERIES’ chronograph seconds and minute hands. The brands describe this as a symbolic seed of passion embedded within each watch, representing the flourishing creativity that drives them both.

The watches are sold as a pair, at a limitation of 100 pieces each. Richard Benc, founder and CEO of Studio Underd0g, reflects on its first partnership: “We are thrilled to work with H. Moser & Cie. on this milestone collaboration. By leaning into our shared values, we have been able to create something truly exceptional.” Edouard Meylan, CEO of H. Moser & Cie., describes the collaboration as one born out of a mutual love for the craft. “Our collaboration is fuelled by a shared passion — a passion for crafting timepieces that are not just functional, but truly artistic.” 

Tech Specs: H. Moser & Cie Endeavour Perpetual Calendar Passion Fruit

Movement: Manual-winding HMC 800 Manufacture caliber; 7-day power reserve
Functions: Hours and minutes; small seconds; date; perpetual calendar; power reserve indicator; leap year cycle indicator
Case: 42mm × 12.8mm; stainless steel; water-resistant to 300m
Dial: Purple lacquered and Maracuja fumé enamel “Grand Feu” dial
Strap: Light brown waxy gaucho strap
Availability: Limited to 100 pieces

Tech Specs: Studio Underd0g 03SERIES Passi0n Fruit

Movement: Manual-winding Sellita SW510 M; 63-hour power reserve
Functions: Hours and minutes; small seconds; chronograph function; 60-second counter; 30-minute counter
Case: 38.5mm × 13.6mm; stainless steel; water-resistant to 300m
Dial: Coarse Dégradé Amber and Royal Purple dial
Strap: Black epsom calfskin leather strap
Availability: Limited to 100 pieces