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
BLUE AVENTURINE · BLACK DLC TITANIUM
ChronoAstra Midnight Aurora
Blue fire after dark.
Midnight Aurora places the moving brilliance of blue aventurine inside a hand-finished black DLC Grade 5 titanium case. The case recedes; the dial appears to illuminate itself.
- Dial
- Blue Aventurine
- Case
- Black DLC Grade 5 Titanium
- Sizes
- 34 mm · 40 mm
From €999 quartz · €1,199 automatic
Explore upcoming production windows
Configure this Midnight 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
Midnight, charged with colour.
Blue aventurine behaves differently inside the dark architecture of Midnight Aurora. The surrounding black deepens its colour, so the dial can move from near-navy restraint to an intense field of blue light with a turn of the wrist. Reflective inclusions appear at changing depths beneath the one-of-one constellation map, creating the impression that the stars continue far beyond the printed surface.
Precision pad printing keeps the custom sky crisp over the dial's activity. BGW9 Super-LumiNova adds a soft blue glow after dark, extending the dial's colour into the night.
THE MATERIAL ITSELF
Blue Aventurine
Natural mineral depth.
Every Midnight 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.
BLACK DLC GRADE 5 TITANIUM
Grade 5 titanium, after dark.
The case begins with the same demanding hand finishing as the natural titanium models. Brushed planes and mirror-polished bevels are completed across dozens of surfaces before the black DLC coating is applied. Rather than flattening the geometry, DLC reveals it in subtle changes from graphite to ink-black, with enhanced scratch resistance for everyday wear.
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
The case disappears. The sky intensifies.
Midnight Aurora is designed around controlled drama. The black titanium reduces the visual frame while blue aventurine becomes richer, brighter and more dimensional at the centre.
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 Midnight 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
- 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 Midnight Aurora.
The configurator opens with the Blue 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