Swiss Ronda 763 Quartz
Slim, precise and close to maintenance-free, with roughly forty months of battery life and an 8.5 mm case profile. Finished with a solid titanium caseback, individually etched with your details.
€999
BLACK AVENTURINE · BLACK DLC TITANIUM
ChronoAstra Dark Matter
The universe in its quietest form.
Dark Matter combines black aventurine with black DLC Grade 5 titanium. What first appears monochrome reveals layers of sparkle, graphite, polished black and luminous blue: detail that only exists when light reaches it.
- Dial
- Black Aventurine
- Case
- Black DLC Grade 5 Titanium
- Sizes
- 34 mm · 40 mm
From €999 quartz · €1,199 automatic
Explore upcoming production windows
Configure this Dark Matter →Or reserve for €99 — credited toward your watch ↗
Made to order: production takes about 2–3 months for 40 mm and 3–4 months for 34 mm, and the dispatch window shown at checkout applies. Shipping speed applies only after your watch is finished. Launch offer: VAT, local taxes, import duties and worldwide shipping are all included in the price.
Preparing your watchLive 3D previewClick to rotate and zoom · scroll passes through to the page
Configure yours
ONE SKY. ONE DIAL. NEVER REPEATED.
Exact astronomy, pad printed for one owner.
We calculate the visible stars and constellation geometry for your coordinate, date and local time from astronomical data, then engineer that sky as production artwork for your chosen dial size. A dedicated pad printing cliché is produced for your watch alone.
The map is transferred by precision pad printing, the process used for fine detail on high-end dials, then completed through a four-stage print-and-lume process: the initial precision print followed by three registered applications of Swiss BGW9 Super-LumiNova. No two ChronoAstra dials carry the same sky.
See how your dial is pad printed →
BLACK AVENTURINE
Darkness with a pulse.
Black aventurine is defined by what it withholds. At rest, the surface can appear almost pure black. Under changing light, a field of restrained brilliance arrives beneath the constellation map, then disappears again. That intermittent depth makes the dial feel less like a printed image and more like a window: the stars are present even when they are not immediately visible.
Each custom sky is pad printed for clean definition over the aventurine field, while BGW9 Super-LumiNova gives the constellations an entirely new presence after dark.
THE MATERIAL ITSELF
Black Aventurine
Subtle mineral shimmer.
Every Dark Matter begins with this surface. The blank is inspected, then the sky of your exact moment is precision pad printed onto it and completed with three registered applications of Swiss BGW9 Super-LumiNova.
BLACK DLC GRADE 5 TITANIUM
Stealth, finished by hand.
The near-monochrome case is not one flat black. Before coating, broad surfaces are satin brushed and bevels are mirror polished by hand across dozens of planes. Black DLC preserves those contrasts as a spectrum of graphite, charcoal and reflected ink while adding enhanced scratch resistance. The finishing appears slowly, exactly like the dial.
The same Grade 5 titanium architecture is brushed and mirror-polished by hand before receiving its black DLC coating. The coating adds enhanced scratch resistance without erasing the finishing beneath it: satin planes, polished bevels and recessed surfaces remain visible as subtle shifts between graphite, ink and reflected light.
WHY THIS PAIRING
A monochrome watch with hidden depth.
Dark Matter is less immediate than Blackout and more restrained than Midnight Aurora. Its distinction lies in discovery: aventurine light and hand-finished titanium emerge only as the wrist moves.
CHOOSE YOUR MOVEMENT
Swiss quartz precision or Japanese automatic.
Miyota 9000-Series Automatic
24 jewels, 28,800 vibrations per hour and approximately 42 hours of reserve, with a custom Côtes de Genève rotor visible through a sapphire display back.
€1,199
YOUR MOMENT, FOREVER ETCHED
Individually etched with your details into the caseback.
Your exact date, time, coordinates and chosen word are individually etched into the caseback. The reverse of every Dark Matter carries the coordinates, date and local time of your moment, plus up to twelve capital characters of your own text: a name, a place, a single word. It is etched into the titanium, not printed on it.
Quartz builds receive a solid titanium caseback. Automatic builds receive a sapphire display back, with your individually etched details framed around the movement.
Technical specifications
- Dial
- Black Aventurine, with your individually generated starmap.
- Case
- Black DLC Grade 5 Titanium, signature ten-sided bezel.
- Case sizes
- 34 mm and 40 mm.
- Movement
- Swiss Ronda 763 Quartz or Miyota 9000-series Automatic.
- Thickness
- 8.5 mm quartz / approximately 9.95 mm automatic.
- Crystal
- Flat scratch-resistant sapphire with five-layer inner anti-reflective coating.
- Water resistance
- 5 ATM / 50 metres.
- Starmap
- Precision pad printed and finished with Swiss BGW9 Super-LumiNova.
- Caseback
- Solid titanium on quartz or sapphire display back on automatic, individually etched with location, date, time and up to 12 capital characters.
ONE OF ONE
Build your Dark Matter.
The configurator opens with the Black Aventurine dial and Black DLC Grade 5 Titanium case already selected. Choose your movement, size and strap, then define the exact sky of your moment.
Configure this model →Not ready? Reserve for €99 — credited toward your watch ↗
Made to order: production takes about 2–3 months for 40 mm and 3–4 months for 34 mm, and the dispatch window shown at checkout applies. Shipping speed applies only after your watch is finished. Launch offer: VAT, local taxes, import duties and worldwide shipping are all included in the price.
Aurora
White Dwarf
Starlight
Event Horizon