BA111OD – Chapter 4 Tourbillon T.V.D. Tantalum-Grey Anthracite DLC Steel Edition - 2026
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BA111OD UNVEILS THE NEW CHAPTER 4 TOURBILLON T.V.D. POWERED BY ITS FIRST IN-HOUSE CALIBRE
Nearly five years after presenting its first tourbillon, BA111OD unveils a new generation of the emblematic Chapter 4 Tourbillon T.V.D., more assertive, more refined and more accomplished in its expression.
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Faithful to the Maison’s codes, this evolution stands out through a reimagined architecture, an extended 120-hour power reserve and an openworked construction inspired by skeleton aesthetics, fully showcasing the mechanics.
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This new generation also marks a major milestone for BA111OD with the introduction of its first internally developed tourbillon movement, the result of the recent integration of this expertise within its ecosystem. This hand-wound mechanical calibre beats at 3 Hz and offers a 120-hour power reserve, with the watch head certified as a chronometer by Timelab, the Geneva Chronometric Observatory.
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Available in 39 mm and 43 mm, the model is distinguished by a redesigned 904L stainless steel case with a tantalum-grey DLC treatment.
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The interplay of volumes, the alternation of polished, sandblasted and vertically satin-finished surfaces, and the restraint of its lines all enhance the watch’s visual depth and overall character. More refined in its execution, the dial opening frames the tourbillon at 7 o’clock and offers a more direct view of the barrel, the central organ of the movement.
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« The intention was to refine the watch and strengthen its visual language without losing any of its technical intensity. Through the dial and the flange, I worked on bevels, level changes and the subtlety of the finishes in order to accentuate depth and relief. By lightening the centre of the composition, we were able to give greater presence to the tourbillon and the engraved barrel cover, while preserving the hypnotic dimension that is intrinsic to the piece »
Liliane Murenzi, Head of Design, BA111OD
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Developed within this strengthened ecosystem, in collaboration with exclusively regional partners, this new Chapter 4 Tourbillon T.V.D. fully illustrates the Maison’s roots in Neuchâtel and its determination to foster a contemporary, independent and deeply embodied form of Swiss watchmaking.
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« Beyond mechanical performance, it is the meaning carried by the object that makes the difference. This new generation brings together precision, tension and emotion in an expression faithful to BA111OD’s ambition: making the exceptional accessible.»
Thomas Baillod
BA111OD
The BA111OD brand, founded in 2019 by Thomas Baillod, embodies an innovative approach to the world of Swiss watchmaking, se_ng itself apart by its desire to make luxury more accessible. Located in the heart of Neuchâtel's Watch Valley, the company designs its exclusively Swiss-made watches in-house, and already has its own watchmaking workshop. For the development of its complications and their assembly, it calls on the renowned watch designer Olivier Mory, who is based in La Chaux-de-Fonds, close to the other co-contractors with whom BA111OD collaborates. A pioneer of we-commerce, which combines personalized human interaction with the convenience of e-commerce, the brand has a loyal and constantly growing community of afluendors (a contraction of "ambassadors, influencers and vendors"), with whom it has created a strong bond based on transparency, accessibility and direct contact. This approach, integrating online sales and now also physical points of experience, transforms each launch into a major event, mobilizing the community on platforms such as LinkedIn and at exclusive events. Each Time, the watches are acclaimed for their cu_ng-edge design, choice of materials and integrated innovations, embodying BA111OD's mission to democratize luxury watchmaking for a diverse public.
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PRODUCT SPECIFICATIONS
Collection: Chapter 4
Model: Chapter 4 Tourbillon T.V.D. 43 mm Steel Edition
ID Glass technology with a non-invasive NFC tag inserted into the curved sapphire crystal.
BA111OD was the first watchmaker to use the NFC function in the glass.
Movement
Mechanical hand-wound caliber BA.01 (base BCP Tourbillon)
Tourbillon positioned at 7 o’clock
Blue screw indicating the small seconds
Watch head certified as a chronometer by Timelab, Geneva Chronometric Observatory
Variable inertia balance
19 jewels
120 hours power reserve
Functions
Hours, minutes
Tourbillon at 7 o’clock
Case
Case in 904L stainless steel case
Tantalum-grey anthracite DLC treatment
Available in:
- 39 mm / lug-to-lug: 44.8 mm
- 43 mm / lug-to-lug: 48 mm
Finishes: polished surfaces contrasted with vertically satin-brushed case sides, highlighted
by a recessed sandblasted area of 0.30 mm creating a sense of depth
Water resistance: 50 meters
Semi-openworked
Anthracite hands coated with Super-LumiNova®
Polished faceted indexes with Super-LumiNova®
White SuperLuminova hands and markers
Bracelet
Black crocodile-effect embossed calf leather strap with black stitching
Folding clasp Quick strap-change system
🔰Edition Numbered series 50 watches
First 50 pieces of the new Chapter 4 Tourbillon T.V.D. are offered at a preferential launch price CHF 7,500.00 💰.
TIME TO WATCHES, GENEVA 14-19.04.2026 - INVITATION
The new Chapter 4 Tourbillon T.V.D. will be presented exclusively during the Time to Watches exhibition in Geneva, from April 14 to 19, 2026.
The Maison BA111OD will be delighted to welcome you to discover this creation, as well as its full range of collections.
To arrange a meeting or schedule an appointment, please do not hesitate to contact us, or simply stop by.
- 🌍 Free worldwide shipping
✅ Free return within 14 days - 🟣 3Years international warranty
🔴 Price EUR 10'500 / CHF 8,200.00 💰
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