The DB28 GS by De Bethune expresses a bold character revealed through both its aesthetic and technical attributes. It fully complies with the strict rule of wearer comfort that De Bethune applies to its models, and particularly those in the DB28 collection. It owes this exceptional comfort to a combination between the lightness of the titanium case, the softness of its hand-polished finish, the 12 o’clock crown position, and above all the presence of the patented floating lugs system that adapts to wrist size and movements. A natural rubber strap featuring a microlight motif, a first among the brand’s collections, also contributes to making it extremely pleasant to wear.
This model has fully benefited from the special attention lavished on refined hand -crafted finishes performed in the workshops at L’Auberson, such as the microlight decoration of the bridges and mainplate, the flat polishing of the deltoid-shaped bridge, or the deep azure shade of the hands achieved using the ancestral flame-blueing technique.
The DB28 GS proudly displays impeccable water resistance to depths corresponding to three full leagues under the sea. Its DB2115 calibre is equipped with a self -regulating twin barrel ensuring a 6-day power reserve – a performance that can be tracked by means of a blue indicator at 3 o’clock.
The work done on the regulating organ follows well-known physical laws. The patents for the curve of the balance-spring as well as the annular balance, featuring maximum inertia and minimal weight, composed of a disc made of openworked silicon (a light material in the centre) and white gold (a heavy material on the exterior), all present significant technical advances contributing to the performance and precision of this calibre.
The GS was designed by David Zanetta and Denis Flageollet; it was thought out and developed in the R&D lab in La Chaux, and then entirely crafted in the workshops at L’Auberson. The GS is a DB28: a true De Bethune creation.
Model: DB28 GS
Performance indication between 2 and 3 o’clock
DB2115 calibre, mechanical hand-wound movement
Diameter 30 mm
Hand-crafted finishing and decoration
Main plate and bridges adorned with De Bethune microlight motif, hand-polished and chamfered steel parts
Self-regulating twin barrel
Silicon/white gold balance - balance-spring with flat terminal curve
Triple pare-chute shock-absorbing system
Jewelling: 37 jewels
Frequency: 28,800 vibrations per hour
Power reserve: 6 days
Hand-polished and smoothed-down grade 5 titanium
Thickness: 11 mm
Attachments: short or long floating lugs in smoothed-down grade 5 titanium
Crystal: sapphire crystal, 1800 Vickers hardness with double anti-reflective treatment
Crown screw-down at 12 o’clock – setting in two positions
Back: solid, in grade 5 titanium
Water resistance to 100m
Visible movement finishes in microlight titanium and polished steel
Performance-zone read-off between 2 and 3 o’clock
Hands: hand-polished and flamed-blued steel – manually smoothed-down grade 5 titanium
Natural rubber with folding clasp
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