With its distinctive round form and hunter case back, featuring the rare elegance of a completely invisible hinge, the DB29 evokes the timeless allure of 18th-century pocket watches. It masterfully blends a deep reverence for traditional watchmaking with the cutting-edge complexity of De Bethune’s most advanced movements, including the mesmerizing tourbillon and the groundbreaking Maxichrono. A true celebration of heritage and innovation, this timepiece is a testament to De Bethune’s relentless pursuit of horological excellence.
Functions
Hours, Minutes, Mono-pusher Chronograph with 24hr, 60min. and 60 sec. counters. 30” indicator Ultra-light Tourbillon Cage on Case Back

Case
Material
Rose gold 5N
Diameter
46 mm
Thickness
11.7 mm
LugS
Ogival lugs
Crystal
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Open back
Screwed down open back 30’’ indicator via the ultra-light De Bethune tourbillon cage and on the chronograph mechanism
Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating protected by a polished rose gold 5N dome with invisible hinge
Calibre DB2039
TYPE
Mechanical manual-winding calibre
POWER RESERVE
5 days, ensured by a self-regulating twin barrel, De Bethune Innovation (2004)
Technical features
- Titanium balance wheel with white gold inserts, optimized 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
- Ultra-light De Bethune 30’’ tourbillon in silicon and titanium, De Bethune Innovation (2008)
- “De Bethune Absolute Clutch”, De Bethune Patent (2014)


Display
DIAL
- Three dimensional silver dial constructed on different levels to maximize readability. From the center to the periphery: central hours counter – hour ring – minutes ring and minutes counter – 1/10th of second graduated outer ring for seconds counter
HANDS
- 5 central curved hands – Hand-polished and flamed-blued steel for hours and minutes hands and chronograph hours and seconds indicators – Chronograph minutes indicator in rose gold
Specifications
Watch
Case
Material
Polished grade 5 titanium
Diameter
46 mm
Thickness
11.7 mm
Lugs
Ogival lugs
Crystal
Sapphire crystal (1800 Vickers hardness), with double anti-reflective coating
Open back
Screwed down open back 30’’ indicator via the ultra-light De Bethune tourbillon cage and on the chronograph mechanism
Sapphire crystal (hardness of 1800 Vickers) with double anti-reflective coating protected by a polished rose gold 5N dome with invisible hinge
Display
Dial
Three dimensional silver dial constructed on different levels to maximize readability. From the center to the periphery: central hours counter – hour ring – minutes ring and minutes counter – 1/10th of second graduated outer ring for seconds counter
Hands
5 central curved hands – Hand-polished and flamed-blued steel for hours and minutes hands and chronograph hours and seconds indicators – Chronograph minutes indicator in rose gold
Calibre
TYPE
Mechanical manual-winding calibre
POWER RESERVE
5 days, ensured by a self-regulating twin barrel ,De Bethune Innovation (2004)
Number of parts
450
Jewelling
53 jewels
Diameter
30 mm
Frequency
36’000 vibrations per hour
Adornment
- Bridges mirror-polished, sandblasted and snailed by hand
- Steel parts polished and chamfered by hand
Technical features
- Titanium balance wheel with white gold inserts, optimized 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
- Ultra-light De Bethune 30’’ tourbillon in silicon and titanium De Bethune Innovation (2008)
- “De Bethune Absolute Clutch “, De Bethune Patent (2014)
Resources
Technical Description

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.