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De Bethune DB25
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MovementDe Bethune manual caliber (e.g. DB2105V5)
CaseGrade 5 titanium (also gold, platinum)
DiameterVaries by execution, roughly 40-44 mm
Power reserveUp to 6 days
ComplicationPatented spherical moon

DB25

The round "drum-shaped" case that has carried De Bethune's spherical moon on the wrist since 2004

Model History

The DB25 was conceived as De Bethune's classic round line, the natural showcase for the complication that, more than any other, made the manufacture famous: the spherical moon, patented in 2004 and first introduced on the DB15's caliber. Recognizable for its drum-profiled case and its pierced lugs, which lighten its side view, the DB25 has over the years become the ground on which Denis Flageollet has grafted calendars, GMT displays, single-pusher chronographs and even digital time displays, following a philosophy he himself summed up by saying that every De Bethune watch is "the sketch for the next one".

Among the executions that have marked the line's history, the DB25L Moon Phase Starry Sky stands out, with its characteristic "starry sky" dial achieved through the natural bluing of titanium, and more recently the DB25Vxs Silver Moon, presented roughly fifteen years after the DB25L as a reinterpretation of it in a reduced format, designed for a smaller wrist while keeping the original case profile and pierced lugs intact.

Precisely because of its versatility as a platform, the DB25 has also hosted more experimental variants over the years, such as the meteorite dials of the Starry Varius line or the jumping-hour "Digitale" versions, confirming the collection's role as a place where De Bethune tests new aesthetics and new complications even more than as a single model with a fixed design.

Technical Specifications

Movement
De Bethune manual caliber, in-house
Case
Grade 5 titanium, drum shape with pierced lugs
Main complication
Patented spherical moon, palladium and fire-blued steel
Moon accuracy
A one-day error roughly every 122 years
Barrel
Self-regulating twin barrel
Power reserve
Up to 6 days
Dial and hands
Hands and indices in fire-blued titanium
Finishing
Côtes de Bethune decoration on the bridges

Main Executions

DB25L Moon Phase Starry SkyBlued titanium dial with a starry-sky effecthistoric execution of the line
DB25Vxs Silver MoonCase reduced to 40.6 mm, a reinterpretation of the DB25Lrecent production
DB25 DigitaleJumping-hour time displayrecent production
DB25 Starry Varius AéroliteDial made of meteoritelimited edition
Fun Fact

The DB25's spherical moon is not a simple printed disc, as on most moon-phase watches: it is a small real sphere in palladium and blued steel that rotates on its own axis, achieving an accuracy — an error of just one day roughly every 122 years — far superior to that of traditional mechanisms, which typically drift out of alignment after only a few years.