Focus : De Bethune

De Bethune DB28 GS Grand Bleu

CASE : zirconium, transparent sapphire crystal and back, unidirectional titanium bezel, water-resistant to 105m

SIZE : 44mm in diameter, 12.8mm thick

MOVEMENT : mechanical hand-wound Caliber DB2080, five-day power reserve

FUNCTIONS : hours, minutes, seconds, power-reserve indicator, dynamolighted dial

DIAL : titanium with an open design featuring skeletonized blued titanium hands

STRAP : one canvas on calf leather strap ; and another in natural rubber, fitted with a brushed titanium folding clasp

Diving into light-filled waters

De Bethune is no newcomer to this field. In 2015, the small luxury watch brand had already launched a model named DB28 GS standing for Grand Sport. For 2019, it is taking the concept in a more specialized direction, since the Grand Bleu is specifically made for diving. It has all the characteristics required by the ISO 6425 norm governing the category. It is water-resistant to 105 meters and features a unidirectional rotating bezel as well as an operating indicator. De Bethune has enriched this model in its own inimitable way. First of all, with a system lighting up the bezel and hour-markers with a series of four LED bulbs. They are powered by a dynamo, which generates an electric current from the energy stored in the barrels. This light is complemented by the use of an exclusive dark blue Super-LumiNova®, developed in cooperation with luminescent object specialist Black Badger. Made of zirconium, an extremely rare metal, the DB28 GS Grand Bleu has an ultra-technical appearance that reflects its nature, since the balance-wheel, shock-absorbers, balance-spring, floating lugs and many other operating details are unique and brandspecific. As is the level of its finishing, offering a full immersion into a world of horological happiness.

Journaliste expert en horlogerie et correspondant régulier de WorldTempus, David alimente notre rubrique technique.

Review overview