De Bethune continues to revamp its 40 mm DB25 collection, presenting a new perpetual calendar featuring a starry sky and the Milky Way. De Bethune’s vision of the perpetual calendar is a masterful fusion of technical sophistication and poetic artistry. Housed in an elegant 40mm case, this exceptional timepiece seamlessly integrates moon phases and a perpetual calendar, embodying the Manufacture’s commitment to both horological finesse and cutting-edge innovation.
Functions
Hours, Minutes, Spherical Moon Phase and Leap-Year Indicators at 12 o’clock, Perpetual calendar indicating the month at 3 o’clock, the date at 6 o’clock and the day of the week at 9 o’clock
Case
Material
Grade 5 titanium
Diameter
40 mm
Thickness
11.3 mm
LugS
Integrated, hollowed lugs
Crystal
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
CASE back
Open case back in polished grade 5 titanium
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Calibre DB2005V3
TYPE
Mechanical hand-wound movement
POWER RESERVE
5 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004)
TECHNICAL FEATURES
- Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016)
- “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006)
- Silicon escape wheel
- Spherical moon phase indication accurate to a degree of one lunar day every 122 years – De Bethune Patent (2004)
- Triple pare-chute shock-absorbing system, De Bethune Innovation (2005)
Display
DIAL
- Blued polished titanium starry sky with white gold stars – milky way created by laser micro-engraving and 24-carat gold leaf inlay
- Silver-toned hours and minutes ring with Roman numerals and transfers
- Blued date ring with 3N-gilded transfers
- Perpetual calendar apertures indicating the day of the week at 9 o’clock and the month at 3 o’clock on blue discs with 3N-glided transfers – sub-dial at 6 o’clock indicating the day of the month – leap year indicated by a gold pastille appearing in the starry sky at 12 o’clock
- Spherical moon phase indication in palladium and blued steel with an accuracy of one lunar day every 122 years at 12 o’clock – De Bethune Patent (2004)
HANDS
Hand-curved, mirror-polished yellow gold hands
Specifications
Watch
Case
Material
Grade 5 titanium
Diameter
40 mm
Thickness
11.3 mm
Lugs
Integrated, hollowed lugs
Crystal
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
CASE back
Open case back in polished grade 5 titanium
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Display
Dial
- Blued polished titanium starry sky with white gold stars – milky way created by laser micro-engraving and 24-carat gold leaf inlay
- Silver-toned hours and minutes ring with Roman numerals and transfers
- Blued date ring with 3N-gilded transfers
- Perpetual calendar apertures indicating the day of the week at 9 o’clock and the month at 3 o’clock on blue discs with 3N-glided transfers – sub-dial at 6 o’clock indicating the day of the month – leap year indicated by a gold pastille appearing in the starry sky at 12 o’clock
- Spherical moon phase indication in palladium and blued steel with an accuracy of one lunar day every 122 years at 12 o’clock – De Bethune Patent (2004)
Hands
Hand-curved, mirror-polished yellow gold hands
Calibre
TYPE
Mechanical hand-wound movement
POWER RESERVE
5 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004)
Number of parts
339
Jewelling
27 jewels
Diameter
30 mm
Frequency
28’800 vibrations per hour
Adornment
- Polished Grade 5 titanium cover plate
- Mirror-polished steel barrel bridge cover
- Hand-snailed barrels
- Handcrafted finishes and decorations
TECHNICAL FEATURES
- Titanium balance wheel with white gold inserts, optimised for temperature differences and air penetration , De Bethune Patent (2016)
- “De Bethune” balance-spring with flat terminal curve, De Bethune Patent (2006)
- Silicon escape wheel
- Spherical moon phase indication accurate to a degree of one lunar day every 122 years – De Bethune Patent (2004)
- Triple pare-chute shock-absorbing system, De Bethune Innovation (2005)
Resources
Technical Description
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Contact
For any questions, our
team is at your disposal
We are pleased to welcome you to our lounges, thoughtfully designed to immerse you in the heart of the De Bethune universe. More than just spaces for exhibition, each visit offers an invitation to explore and connect. Take the time to admire our collections, engage in conversations about watchmaking, and enjoy a moment of refinement, where every detail is crafted to inspire your passion and enhance your experience.