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
WHITE DWARF ENAMEL · NATURAL TITANIUM
ChronoAstra White Dwarf
Light, condensed.
White Dwarf turns your night sky into an exercise in light. An ultra-white enamel dial with subtle stone-like visual depth sits inside hand-finished natural titanium, allowing the personalized constellation map to emerge with quiet, tonal precision.
- Dial
- White Dwarf
- Case
- Natural Grade 5 Titanium
- Sizes
- 34 mm · 40 mm
From €799 quartz · €999 automatic
Explore upcoming production windows
Configure this White Dwarf →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 →
ULTRA-WHITE ENAMEL
A field of concentrated light.
The White Dwarf dial is not a blank white surface. Its ultra-white enamel carries a faint, stone-like visual movement that becomes visible as light travels across it. The constellation map is deliberately tonal, appearing crisp in one angle and almost hidden in another, so discovery becomes part of the experience. It is calm from a distance and exceptionally detailed up close.
Polished hands and indices create fine points of contrast while the pad-printed sky remains the personal centre of the composition. After dark, BGW9 Super-LumiNova reverses the character of the dial and lets the celestial map speak in cool blue.
THE MATERIAL ITSELF
White Dwarf Enamel
Pure white enamel.
Every White Dwarf 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
Sculpted in silver light.
Natural Grade 5 titanium extends the pale architecture of the dial without making it monochrome. Satin brushing keeps the broad surfaces modern and quiet; hand mirror-polished bevels define every change in geometry. Hours of finishing across dozens of surfaces allow the case to move from soft grey to bright silver without ever becoming decorative for its own sake.
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
The quietest watch often reveals the most.
White enamel and natural titanium create the collection's most luminous, architectural expression. The colour recedes so the meaning comes forward: your date, your place, your sky.
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 White Dwarf 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
- White Dwarf, 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 White Dwarf.
The configurator opens with the White Dwarf 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.
Aurora
Starlight
Event Horizon
Midnight Aurora