Brellum Duobox TC Moonphase

The Brellum Duobox Triple Calendar Moonphase LE Chronometer – Salmon Dial is an ultra-limited edition of only 33 pieces, celebrating Swiss watchmaking expertise with a rare aesthetic.
Its domed salmon opaline dial, enhanced by Roman numerals and diamond-cut hands (with luminescence), brings a timeless elegance to this complete complication.
Powered by the COSC-certified BR-751 caliber (based on Valjoux 7751), this piece incorporates a cam-lever chronograph, a triple pointer-date calendar, a moon phase and a day/night indicator.

With its steel or titanium case and two box-shaped sapphire crystals, the Duobox combines performance, excellent visibility, and a high-end finish. Available exclusively through Brellum direct sales.

Technical specifications:

Housing

• Diameter: 41.80 mm

• Height: 15.90 mm (including lenses)

• Materials: stainless steel or titanium

• Finishes: brushed + polished

• Lenses: Domed sapphire front and back, double anti-reflective coating

• Waterproof rating: 100 m

Dial

• Domed salmon opaline dial

• Applied Roman numerals, diamond-cut

• Diamond-coated needles, treated with lume

• Blue central needle

Movement

• Brellum caliber BR-751 (Valjoux 7751 base)

• COSC-certified stopwatch

• Automatic movement, integrated cam-lever chronograph

• Frequency: 28,800 vph (4 Hz)

• Ruby: 25

• Power reserve: 46 hours

• Functions:

  • Hours, minutes, small second

  • Chronograph: central seconds, 30-minute counter, 12-hour counter

  • Triple calendar: day, month, point-date

  • Moon phase

  • Day/night indicator

Bracelet

• black alligator leather

• steel or titanium folding clasp