VOUTILAINEN – Current KV21 Tonneau Platinum 39,5mm Guilloché Dial Edition - 2026
KV21 TONNEAU
Guided by a constant pursuit of technical innovation, excellence, and respect for tradition, the Voutilainen workshop presents the new KV21 Tonneau. Unveiled in limited editions, the timepiece features an entirely new tonneau-shaped case with harmonious proportions and a contemporary design.
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Housing the new hand-finished in-house KV21 movement with a small second and a dial adorned with refined hand-guilloché decoration, the KV21 Tonneau reflects the atelier’s dedication to precision, longevity, and the values of horological art.
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The newly designed KV21 Tonneau’s case exudes perfectly balanced proportions, combining elegance and comfort on the wrist. Its short, teardrop-shaped lugs enhance the ergonomic fit, while the interplay of polished parts and subtle satin finishing emphasizes the purity of its lines.
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The timepiece is driven by the new in-house caliber KV21. Inspired by the KV20 movement, it has been developed to integrate complications requiring the entire surface of the main plate on the dial side, without significantly affecting the movement’s thickness. To achieve this, the escapement was subtly modified while preserving its original functioning. Following in the footsteps of the renowned VINGT-8, this caliber is destined to leave its mark on Voutilainen’s iconic timepieces.
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The mechanism has been designed, built, fabricated, hand-finished and assembled entirely within the Voutilainen workshop with the utmost precision, care, and passion. It features a very large balance wheel crafted in-house, enabling precise regulation of the watch within strict tolerances.
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dditionally, a rare and unique balance-spring system has been used. The exterior of the spring has a typical Phillips overcoil, while the internal curve uses the little-known Grossmann curve further increasing accuracy.
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The caliber KV21 is particularly remarkable due to its two escapement wheels, which provide a direct impulse to the balance through the roller/jewel. This innovative construction improves efficiency by requiring less energy than the Swiss lever escapement and allows for notable benefits, for everyday use, such as longevity, stability and a longer power reserve.
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The case back reveals a captivating view of the caliber KV21’s intricacies that is meticulously finished to the highest standards by the expert artisans of the Voutilainen workshop. The surfaces of pinions and wheels are completely flat and polished with exceptionally uniform tolerances. The main plate and bridges, made from German-silver, are decorated by hand to achieve the utmost levels of surface finish. Screws and all steel parts are also finished and polished by hand.
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The dial presents various hand-guilloché patterns, a well-known signature of Voutilainen’s meticulous savoir-faire. It can be personalized according to the owner’s preference, allowing the timepiece to become a unique piece. The interplay of textures and light brings the watch to life, reflecting the patience, passion, and skills invested in every detail, a true work of art.
To complete the design, the KV21 Tonneau is paired with an elegant hand-sewn strap.
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Technical Characteristics
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Ref: KV21Reversed
CaseMaterial: Available in Platinum, Titanium, Steel, 18K Rose Gold, and 18K White Gold (8 pieces of each material limited edition)
Case dimensions : 39.50 x 35.50mm
Sapphire glasses front and back with anti-reflection treatment
Dial
Hand-guilloché dial with gold applied Arabic numerals.
Customized dials tailored to individual requests
Hands made from gold and blued-steel
Movement
New in-house movement, two escapement wheels with direct impulse
Design, construction, fabrication, finishing and assembly in the Voutilainen workshop
Dimensions : 30mm
Number of components : 183
Main plate and bridges manufactured from German-silver
Visible wheels made from solid 18K gold, the remaining wheels of the gear train made from German-silver and escapement wheels made from steel.
Number of jewels: 27
Power reserve 65 hours
Frequency : 18,000 v.p.h, free sprung balance wheel with rose gold timing weights
Balance diameter : 13.50mm
Balance-spring with Phillips terminal curve and Grossmann internal curve
Functions
Hours, minutes and small seconds
Strap
Hand-stitched crocodile leather strap
Pin buckle.
🔰Edition - Yes ✅limited series ❱❱❱ 8 Pieces of each material
Available in steel (LE8), platinum (LE8), titanium (LE8), white gold (LE8), and rose gold (LE8)
🔴PRICE: On Request💰
About the Voutilainen workshop
Independent since 2002, the Voutilainen workshop creates timepieces that reflect its founder’s
philosophy with refined and robust mechanisms made internally with high-level of finishing,
distinctive cases as well as hand-guilloché dials, a well-known signature of Voutilainen’s meticulous
savoir-faire. Its unique approach to watchmaking (style, knowledge and working methods) is a
harmonious blend of Finnish and Swiss influences, giving it a distinctive place in the world of
horology. From minute-repeaters, tourbillons to repurposing vintage, new-old-stock movements
and in-house mechanisms such as the well-known caliber Vingt-8, the Voutilainen workshop has
mastered a wide range of expertise. Those remarkable skills in these areas have rightfully earned it
the prestigious reputation it holds today.
Press Release - 2026
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VOUTILAINEN SA
Chapeau de Napoléon
CH-2123 St-Sulpice
Tél +41 32 861 4832
Fax +41 32 861 4833
voutilainen@voutilainen.ch
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www.Voutilainen.ch
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