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.
€799
BLUE AVENTURINE · NATURAL TITANIUM
ChronoAstra Aurora
A night sky caught in motion.
Aurora pairs a deep blue aventurine dial with hand-finished natural Grade 5 titanium. Your exact sky appears over a field that shifts from midnight blue to electric starlight as the wrist moves: cool, luminous and unmistakably alive.
- Dial
- Blue Aventurine
- Case
- Natural Grade 5 Titanium
- Sizes
- 34 mm · 40 mm
From €799 quartz · €999 automatic
Explore upcoming production windows
Configure this Aurora →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 →
CELESTIAL BLUE AVENTURINE
Blue that moves like the night.
In still light, Aurora reads as a saturated field of midnight blue. Turn the wrist and countless reflective inclusions begin to appear, scatter and disappear at different depths. The dial never gives the same impression twice. That changing mineral-like light becomes the atmosphere behind your one-of-one constellation map: the stars belong to one real moment, while the surface beneath them keeps moving like the sky itself.
The constellation lines are precision pad printed for clarity over the active aventurine surface, then completed with Swiss BGW9 Super-LumiNova for a soft blue after-dark glow.
THE MATERIAL ITSELF
Blue Aventurine
Natural mineral depth.
Every Aurora 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.
NATURAL GRADE 5 TITANIUM
Light drawn across titanium.
Aurora's silver-toned titanium is intentionally restrained beside the blue dial. Hours of hand finishing across dozens of surfaces create broad brushed planes, bright mirror-polished bevels and crisp transitions around the decagonal case. As the aventurine sparkles, the case answers with fine lines of reflected light. The result is neither jewellery nor instrument alone, but a precise balance of both.
Machined from solid Grade 5 titanium, the case and integrated bracelet require hours of hand finishing across dozens of individual surfaces. Broad satin-brushed planes give the watch its architectural calm; mirror-polished bevels trace the geometry in light. Each transition is finished deliberately so the case never looks flat: its character changes as the wrist moves.
WHY THIS PAIRING
Cool metal. Deep blue. Your sky between them.
Natural titanium frames the dial like moonlight around a clear night. It is the most openly celestial expression in the collection: vivid enough to command attention, refined enough to reveal its detail slowly.
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.
€999
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 Aurora 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
- Blue Aventurine, with your individually generated starmap.
- Case
- Natural 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 Aurora.
The configurator opens with the Blue Aventurine dial and Natural 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.
White Dwarf
Starlight
Event Horizon
Midnight Aurora