Bulgari’s Octo Finissimo has never been short on architectural confidence, but its new collaboration with Vianney Halter pushes the collection into stranger, more theatrical territory.
Created for Geneva Watch Days 2026, the Octo Finissimo Dual Time x Vianney Halter takes the Roman house’s ultra-thin language and overlays it with the independent watchmaker’s unmistakable taste for portholes, separate indications and retro-futurist machinery.
The result doesn’t feel like a simple stylistic exercise.

At a glance
- Bulgari and Vianney Halter have introduced a limited Octo Finissimo Dual Time for Geneva Watch Days 2026.
- The watch uses four opaline rhodium-plated displays and a new BVF 200 automatic micro-rotor movement with GMT, date and day/night indications.
- Production is limited to 30 pieces in titanium at CHF 70,000 and 15 pieces in rose gold at CHF 108,000.
Octo Finissimo geometry meets Halter’s porthole language
The tension here comes from two very different design instincts sharing the same case.
The Octo Finissimo is all facets, planes and disciplined thinness, while Halter’s most recognisable watches tend to feel like miniature instruments built for an imagined Victorian spacecraft.
The clearest point of connection is the Antiqua, the late-1990s independent watchmaking landmark developed during Halter’s collaboration with American designer Jeff Barnes.

Its separated circular displays, blued hands and science-fiction porthole architecture helped define a moment before MB&F and Urwerk brought independent watchmaking to a wider collector audience.
On the Octo Finissimo Dual Time x Vianney Halter, those cues are translated rather than copied.
The porthole bezels rise out of Bulgari’s angular, multi-level case architecture, creating a watch that keeps the Octo’s hard-edged profile while giving the dial a more mechanical, instrument-like personality.

Four displays with a deliberately technical rhythm
The dial is organised into four separate opaline rhodium-plated elements.
The two larger displays handle local hours and minutes, along with a second time zone and running seconds, while the smaller indicators cover the date and day/night display.
Bulgari and Halter have used sandblasted and satin-brushed finishes on the time dials, which helps the watch avoid the flatness that can sometimes come with multi-register layouts.

The GMT and date markings also add to the cockpit-instrument feel, even if their functions are visually clear without labels.
The hands are among the most direct Vianney Halter signatures on the watch.
Blue shaped hands indicate the primary time, with a shorter blue GMT hand and a red arrow-tipped running seconds hand adding a sharper accent.

The red hand may look at first like a second time-zone pointer, but its position follows the logic of the Octo Finissimo Automatic’s small seconds layout.
A two-hand GMT display would have added practical clarity, though the chosen arrangement keeps the dial more idiosyncratic and closer to Halter’s world.
The new BVF 200 calibre keeps the complication thin
Inside is the new BVF 200 automatic calibre, developed and manufactured by Bulgari.

The movement uses the micro-rotor architecture of the BVL 138 and adapts it for Halter’s multi-display concept.
At 5.49mm thick, the calibre remains impressively slim given its combination of hours, minutes, GMT, running seconds, date and day/night indications.
It runs at 21,600 vibrations per hour and offers an approximately 60-hour power reserve.

Finishing includes vertical Côtes de Genève, brushing and perlage, while the platinum micro-rotor carries Vianney Halter’s signature.
On the rose gold version, the micro-rotor is given a rose gold-coloured treatment to suit the warmer case execution.
Titanium restraint or rose gold warmth
The case measures 40.5mm across and 9.7mm thick, with Bulgari noting a 7.7mm measurement from the caseback to the highest point of the bezel.

For a 50-part case carrying several stacked displays and pushers, those proportions are very much in Octo Finissimo territory.
The titanium model is the cooler and more industrial of the two, pairing a sandblasted case with an integrated titanium bracelet and satin-polished porthole bezels.
It is limited to 30 pieces.

The rose gold edition is limited to 15 pieces and combines a sandblasted case base, circular-brushed upper section and satin-polished bezels.
It comes on a brown alligator strap with a rose gold ardillon buckle, giving the watch a more classical presence while stepping slightly away from the integrated-bracelet identity that defines much of the Octo Finissimo line.
Both versions use a polished crown with a black ceramic insert, two rectangular pushers on the left side for date and GMT adjustment, a sapphire caseback and 30 metres of water resistance.

Details & Specifications
| Brand | Bulgari |
|---|---|
| Model | Octo Finissimo Dual Time x Vianney Halter |
| References | 104356 in titanium, 104355 in rose gold |
| Case size | 40.5mm diameter, 9.7mm thick |
| Case construction | 50-part case with transparent sapphire caseback |
| Case material | Sandblasted titanium or rose gold with sandblasted, brushed and satin-polished finishes |
| Water resistance | 30 metres |
| Dial | Four opaline rhodium-plated displays with sandblasted and satin-brushed elements |
| Hands | Blue Vianney Halter-shaped hands and red arrow running seconds hand |
| Movement | BVF 200 manufacture automatic calibre with micro-rotor |
| Movement height | 5.49mm |
| Functions | Hours, minutes, GMT, running seconds, date and day/night indication |
| Frequency | 21,600 vibrations per hour |
| Power reserve | Approximately 60 hours |
| Finishing | Vertical Côtes de Genève, brushing, perlage and signed micro-rotor |
| Bracelet or strap | Integrated sandblasted titanium bracelet or brown alligator strap |
| Production | 30 pieces in titanium, 15 pieces in rose gold |
| Price | CHF 70,000 in titanium, CHF 108,000 in rose gold |
The Octo Finissimo Dual Time x Vianney Halter is aimed squarely at collectors who already understand both sides of this equation.
It preserves Bulgari’s thin, architectural discipline while allowing Halter’s eccentric mechanical imagination to reshape the watch’s face, which makes it one of the more memorable Octo Finissimo interpretations in recent years.






