






Duobox 39 TC Moonphase, Night Blue dial
Ref. DB.CH.952Swiss made
Automatic Chronograph with Complications. COSC-Certified Chronometer. 39mm Case. Limited Edition of 46 Pieces.
- COSC-certified chronometer, delivered with its official Swiss chronometer certificate
- Insured shipping from Switzerland, shipping costs included
- 2-year international warranty, collection and return at our expense
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- Case
- 316L steel
- Water resistance
- 100 m
- Diameter
- 39.50 mm
- Thickness
- 15.20 mm
- Lug to lug
- 48 mm
- Power reserve
- 46 h

The movement
Calibre BR-751
An automatic chronograph featuring a triple calendar and moonphase complication, developed on a Valjoux 7751 base and certified as a chronometer by the COSC. Each watch is delivered with its individual certificate.
- main platePerlage-finished
- bridgesGeneva stripes
- screwsBlued screws
- Rhodium-platedrotor with a 3N gold moon, individually numbered from 01/46 to 46/46
- Functions Hours, Minutes, Seconds, Day, Date, Month, Day/Night indicator, Moonphase and 12-hour Chronograph.
Technical specifications
Mouvement
- Calibre
- BRELLUM BR-751 Automatic Chronometer (Valjoux 7751 base)
- Remontage
- Automatic
- Réserve de marche
- 46 hours
- Fréquence
- Automatic 28'800 A/h
- Rubis
- 25 jewels
- Chronographe
- 12 hours
- Fonctions
- Hours, Minutes, Seconds, Day, Date, Month, Day/Night Indicator, Moonphase and 12 hours chronograph, stop-second
- Certification
- Officially Chronometer certified by the COSC
- Décorations
- Perlage, Côtes de Genève, blue screws
Boîtier
- Matière
- Stainless Steel 316L
- Fond
- Stainless Steel 316L, exhibition case back
- Glaces
- Saphir Box crystal (ARdur® + ARunic®, Anti-UV coating on dial side)
- Étanchéité
- 100 meters, 100% tested
Cadran
- Cadran
- Night Blue, multi-level
- Index
- Diamond cut, Superluminova
- Aiguilles
- Diamond cut, Superluminova
- Calendrier
- Triple calendar, day, date, month
Dimensions
- Diamètre
- 39.50mm
- Épaisseur
- 15.20mm (11.20mm sans glaces)
- lug to lug
- 48mm
Bracelet
- Bracelet
- Stainless steel Bracelet and brown or black veal leather strap with deployant buckle (both delivered)
- Largeur aux cornes
- 21mm
The story
New Brellum Duobox 39 TC Moonphase Chronometer
The renowned Brellum Duobox Collection, a true emblem of the brand’s watchmaking expertise, is further enriched with a new Limited Edition, strictly limited to just 46 pieces worldwide.
For the first time, this sophisticated movement, featuring an impressive array of complications, is housed within the 39.50mm Duobox case. This more compact and elegant interpretation brings together the technical complexity of high-end Swiss watchmaking and the refined proportions of a 39mm timepiece.
This new edition stands out with its stunning blue sunray-finished dial, creating subtle plays of light that enhance its refined and contemporary character.
This remarkable timepiece appeals to collectors of exceptional watches and passionate Brellum enthusiasts alike, combining mechanical sophistication, meticulous craftsmanship and timeless elegance in a particularly exclusive edition.

The Art of Complications
Beyond the traditional display of hours, minutes and seconds, the Brellum Duobox 39 TC Moonphase Chronometer brings together an impressive array of refined horological complications, including:
A 12-hour chronograph, a complete triple calendar displaying the date, day and month, a day/night indicator, and an elegant moonphase display at 6 o’clock.
Housed within a refined 39mm case (48mm lug-to-lug), this sophisticated combination of complications is powered by a COSC-certified chronometer movement, ensuring exceptional precision and reliability.
A remarkable expression of Swiss watchmaking expertise, where mechanical complexity meets timeless elegance.

The Beauty of Fine Finishes
The Duobox 39mm TC Moonphase Chronometer features a stainless steel case combining polished and satin-brushed surfaces to create subtle plays of light and texture. This refined combination achieves an ideal balance between sophistication and durability, making it perfectly suited to modern lifestyles.
Equipped with domed sapphire crystals featuring advanced anti-reflective coatings (ARdur® and ARunic® with UV protection), the watch ensures exceptional clarity and optimal visual comfort in all lighting conditions.
The timepiece is delivered with a stainless steel bracelet and a choice of black or brown calf leather strap, all included with the watch.
Crafted from high-quality 316L stainless steel, the Duobox 39 Chronometer offers water resistance to 100 metres, with every individual piece tested to ensure its water resistance.
Combining quality materials, meticulous finishing and everyday versatility, it is designed to be a reliable companion for years to come.



