DB25 Perpetual Calendar

10 dicembre 2021

De Bethune launches a new DB25QP with a green guilloche dial and a new titanium case during Dubai Watch Week

Combining the finesse of watchmaking with the cutting-edge mechanics of the Manufacture, De Bethune presents the latest DB25QP

A classic interpretation of the DB25; a radiating guilloche in 12 sectors, integrated lugs and a new titanium case.

The Manufacture De Bethune is enriching its collection of classic watches with a state-of-theart interpretation of the perpetual calendar.
The De Bethune perpetual calendar is tinged with poetry and combines the finesse of watchmaking with the precision mechanics of the Manufacture by bringing together moon phase, starry sky and perpetual calendar in an exceptional timepiece.
Inspired by the drum, the round case with a diameter of 44 mm, with its fine and resolutely classic lines, is subtly enhanced by the hollowed-out horns characteristic of the DB25 collection.

A poetic timepiece
The finesse of the decorations and the purity of the green hand-guilloche dial, radiating in 12 sectors, underline the legibility of the dial, which is built up by the assembly of ring-shaped appliques delimiting the sub-dials and the hour circle. At 12 o’clock, a sphere in palladium and black oxidized zirconium sits in a sky set with gold stars, also incorporating a leap year indicator in a gold pastille in the starry sky at 12 o’clock. The date can be read on a dial located at 6 o’clock, while the windows indicating the day of the week and the month are located at 9 and 3 o’clock respectively.

Unparalleled comfort
The round case of the new DB25QP retains the harmonious lines that contributed to the success of the original DB25QP but is offered for the first time in titanium. This further enhances the practicality and comfort of this timepiece.

A refined movement
Developed in the Manufacture’s Haute Horlogerie workshops in Sainte Croix in the Swiss Jura, the automatic DB2324 caliber benefits from De Bethune’s research and technology knowhow, including a perpetual calendar, a spherical moon indicating the moon phases with a precision of 1 day/122 years, a self-regulating double barrel, a triple pare-chute system and a titanium/grey gold balance.

A sapphire caseback allows one to admire the complexity of the movement as well as the refinement of its finishing: ¾ platinum bridge with star decoration, sandblasted and handcolored, blued titanium balance bridge and oscillating weight arm, hand-colored white gold weight, hand-beveled and mirror-polished steels.

New reference
This new perpetual calendar comes with a green textile strap with a polished titanium buckle and pin. A second leather strap accompanies it.
A perfect illustration of the technical and aesthetic know-how of the Manufacture, this new reference DB25QPATIS4 is destined to replace all the DB25QPs previously presented in the current De Bethune collection.

DB25 Perpetual Calendar
Technical specifications

 

Number of parts: 425
Jewelling: 47 jewels
Diameter: 35 mm

Power reserve:
5 days, ensured by a self-regulating twin barrel
De Bethune Innovation (2004)

Specificities:
Titanium and white gold balance wheel
De Bethune Innovation (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)

Optimized oscillating weight in titanium and white gold

Oscillating weight shock-absorbing system
De Bethune Innovation (2006)

Frequency: 28,800 vibrations per hour

Adornment:
¾ plate with starry decor, sandblasted and snailed by hand

Balance bridge and oscillating weight arms in blued titanium

White gold oscillating weight hand snailed

Hand-polished, chamfered steel parts

Display:
Hands curved, in hand mirror-polished steel

Perpetual calendar apertures indicating the day of the week at 9 o’clock and the month at 3 o’clock on anthracite discs with silver decal – 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 black oxide zirconium with an accuracy of one lunar day every 122 years at 12 o’clock – De Bethune Patent (2004)

Dial:
Green hand-guilloché, with 12 radiating sectors

De Bethune star-studded sky in black steel, inlaid with rose gold stars

Green curved hour, date and moon phase rings with silver relief

Roman numerals

Case material: Titane grade 5
Case diameter: 44 mm
Case thickness: 11,1 mm
Lugs: Integrated, hollowed lugs
Crystal: In sapphire crystal (1800 Vickers hardness) with double anti-reflective coating
Case back: Open back in polished titanium and sapphire crystal (1800 Vickers hardness) with double anti-reflective coating
Water-resistance: 3 ATM
Strap: Textile/leather
Buckle: Pin buckle in polished titanium

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