De Bethune DB25 Moon Phase
De Bethune DB25 Moon Phase
De Bethune DB25 Moon Phase
De Bethune DB25 Moon Phase
De Bethune DB25 Moon Phase


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The DB25 Moon Phase is one of our most classical and iconic models, a vision of understanding the past and present of watchmaking; history inspired design cues and the first watch to feature our silicon balance wheel, in the calibre DB2105V1. Now available nine years after its initial release.

A blend of aestheticism and technological innovation, for a pure, clean classic. An 18k rose gold case. Constructed out of three parts, a screw case back, bezel and a case-band with lugs all machines out of a single block of gold, which helped us create extremely slim but solid lugs, using a 5-axis machine process to avoid the need for welding.

This golden frame surrounds a vibrant dial of light and purity. It has everything from depth and texture to clarity. Twelve silver-toned hand-guilloché sectors radiate in the light, unique on account of the significantly skilled handwork carried out on each piece. Bold Roman numerals and the minute chapter ring create a historical feel.

Sitting at twelve o’clock is a three-dimensional moon-phase consisting of two hemispheres constructed from palladium and flamed-blued steel, set in a dramatic star-studded sky in blued mirror-polished steel, inlaid with rose gold stars. To create this sky, five different operations had to be carried out, starting with a steel sheet, little holes are pieced which are then enlarged into the shape of stars. Tiny pieces of gold are pressed into the metal sheet, which is then polished. Finally, this steel sheet is flame-blued to give it the colours of the sky. This moon-phase is another De Bethune Patent, with an accuracy of one lunar day every 122 years! Finishing of the dial is the hand-polished flame-blued steel curved hands. This curved design allows the hands to pass over the three-dimensional moon-phase unimpeded.

Inside the DB25 Moon-phase sits our DB2105V1 calibre. Constructed from 305 parts and 29 jewels, and an impressive six-days power reserve, ensured by a self-regulating twin barrel. The balance wheel is a combination of titanium and platinum. A De Bethune balance-spring with flat terminal curve is used (a lot of brands don’t have the technical know-how to manufacture their own balance spring), plus a silicon escape wheel, and our own designed triple pare-chute shock-absorbing system.

The DB25 Moon-Phase encapsulates our philosophy of respecting the culture and tradition of watchmaking and combine it with new technologies and understanding of Horology. This example is the only certified preowned DB25LRS1V1 available directly from the manufacture, refurbished tested and complete with a new Preowned certificate, strap and original De Bethune display box.
Production Year: 2018
Model Launch Year: 2010
Number Of Watches Produced: 57 
Original Retail Price: 70’000 CHF

Name: DB25 Moon Phase
Reference: DB25LRS1V

Functions: Hours, Minutes, Spherical moon phase indication at
12 o’clock, Power reserve situated on the back
Movement: DB2105V1
Type: Mechanical hand-wound movement
Adjustment: Winding, setting the spherical moon phase and the time by means of the crown (3 positions)

Technical features of calibre DB2105V1

Number of parts: 305
Jewelling: 29 jewels
Diameter: 30 mm
Power reserve: 6 days, ensured by a self-regulating twin barrel
De Bethune Innovation (2004)

Specificities: Titanium and platinum balance wheel with blom studs
De Bethune Patent (2008)

"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)

Frequency: 28,800 vibrations per hour

Adornment: Silver plate and barrel bridge cover adorned with
“Côtes De Bethune”
Hand snailed barrels
Hand-polished, chamfered steel parts


Display: Hand-polished flame-blued steel curved hands
Spherical moon phase indication in palladium and flamed-blued steel with an accuracy of one lunar day every 122 years at 12 o’clock – De Bethune Patent (2004)

Dial : Silver-toned hand-guilloché, with 12 radiating sectors
De Bethune star-studded sky in blued mirror-polished steel, inlaid with rose gold stars
Silver curved hour and moon phase rings with black relief Roman numerals

Case and strap

Case material: Rose gold 5N
Case diameter: 44 mm
Case thickness: 11,2 mm
Lugs: Integrated, hollowed lugs
Crystal: In sapphire crystal (1800 Vickers hardness) with double anti-reflective coating
Case back: Open back in polished rose gold and linear power reserve on the back
Sapphire crystal (1800 Vickers hardness) with double anti-reflective coating
Water-resistance: 3 ATM
Strap: Extra-supple alligator leather, alligator lining
Buckle: Pin buckle in rose gold 5N


All PreOwned purchases come with free shipping on behalf of the De Bethune team as a thank-you for choosing our Certified Preowned platform. Once payment is received in full, we endeavor to ship your new De Bethune  as soon as possible (usually within 2-3 days.) Please note that shipping will be delayed if payments are taken over the weekend, bank or national holidays.

*All prices are excluding any importation taxes & fees requested by the buyers country policy. If taxes & fees should be applied at the importation, They should be carried by the buyer.

Based on your location, we will choose the right shipping agent to ensure your watch reaches to swiftly and safely. Once it has been collected from us, we will email you to confirm and share the tracking details.

If shipping is delayed for unforeseen reasons, you will be notified immediately so we can agree on the best possible outcome. 

*Please note due to restrictions on exotic leather in certain countries, your new purchase might be sent on a different strap than pictured. This is to avoid delays at customs. We will send the correct strap separately. 

We trust it won't happen, but in the unlikely event that you are not fully satisfied, please contact us on +41 22 310 22 71 and we will be happy to go over our returns process with you. 

Please note that we cannot refund returned items unless all elements on the returns checklist have been confirmed.


1. All tags and labels are in their original state and place and have not at any point been removed from the watch.

2. The timepiece has not been worn and is free of any marks or scratches that were not present at the time of shipping.

3. All instructions, warranty card, packaging etc. are in the same condition as at the time of shipping.

4. The timepiece is returned to us within 14 days (De Bethune does not cover the cost of shipping. The watch must be shipped via an official courier and be fully insured.)

Please contact us on +41 22 310 22 71 as soon as you are aware of a fault with your watch.

After the watch has been returned to De Bethune for a full inspection and approved for a refund, please allow up to 14 days from the date of receipt for processing. Funds will be credited back using the original payment method.
Should you have any further queries regarding our returns policy, please do not hesitate to contact us via e-mail at

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