De Bethune

DB25 Moon Phase Starry Sky

Ref: DB25SJWS3

Price available upon request

DB25L Jewellery Sapphire functions include hours, minutes, and a spherical moon-phase at 12 o'clock. Power reserve is located on the case back. The movement is a mechanical caliber with manual winding. When adjusting, setting the spherical moon-phase and the time by means of the crown (3 positions). There are 245 parts with 27 jewels. The diameter of the caliber measures to 30 mm. Power reserve up to 6 days, ensured by a self-regulating twin barrel. Technical features include silicon and white gold balance wheel, "De Bethune" balance-spring with flat terminal curve, silicon escape wheel, triple pare-chute shock-absorbing system, and a spherical moon-phase indication accurate to a degree of one lunar day every 122 years. Frequency is 28,800 vibrations per hour. Adornment features plate and barrel bridge cover in mirror-polished steel, hand snailed barrels, and hand-polished chamfered steel parts. The hands are curved in hand-polished and flame-blued steel set with white gold insert. Spherical moon-phase indication is in palladium and flamed-blued steel set with 44 diamonds and 44 sapphires (sapphires 0.039 cts + diamonds 0.04 cts) with an accuracy of one lunar day every 122 years at 12 o'clock. The dial has De Bethune star-studded sky in blued mirror-polished titanium inlaid with white gold stars and 21 diamonds (0.0927 cts). The markers are diamond. The case is white gold set with 61 baguette-cut blue sapphires (4.80 cts). The case diameter is 40 mm with the thickness being 11.7 mm. The lugs are integrated and hollowed. Crystal is in hard-mineral (hardness of 1800 Vickers) with double anti-reflective coating. Water resistant to 30 meters. The strap is extra-supple alligator skin with lining also in alligator. The pin buckle is in white gold.

  • Product Type


  • Case

    Sapphire Crystal, White Gold

  • Diameter


  • Dial

    Diamonds, Titanium

  • Functions

    Hours, Minutes, Moonphases, Power Reserve

  • Movement


  • Bracelet/Strap

    18K White Gold, Alligator

  • Water Resistance
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Brand Heritage

De Bethune Watch Brand History

De Bethune Watch Brand History

De Bethune is an independent Swiss watch manufacturer located at L’Auberson, in the Jura mountain pastures of the canton of Vaud, Switzerland. Here, some 30 employees, including watchmakers, engineers, developer-designers, micromechanical engineers, polishers and decorators focus firmly on the research and development of technical and aesthetic innovations in the spirit of the great 18th century master watchmakers. The brand designs, develops and produces all its timepieces within its own Manufacture. Since its foundation, De Bethune has developed no fewer than 27 calibres, presented some 30 world premieres and registered a large number of patents as well as producing 150 one-off pieces to meet the expectations of the most discerning collectors.

De Bethune has received the highest distinctions awarded by the watch industry all over the world, including the Grand Prix d’Horlogerie de Genève “Aiguille d’Or” Grand Prix for the best watch of the year. Today, Denis Flageollet, co-founder of the brand and master watchmaker, together with CEO Pierre Jacques, are spearheading the future of the company. The pure style, clean lines and delicacy of the cases represent the inimitable hallmark of De Bethune creations. De Bethune’s timepieces can be seen worldwide in our 25 exclusive points of sale and in our showroom in the heart of Geneva’s old city, in a refined, yet welcoming, contemporary setting that wholly embodies the spirit of De Bethune.