Fun With Fonts: Typography’s New Maximalism
Grande Double Sonnerie
The Blancpain Grande Double Sonnerie represents the Maison’s most ambitious horological achievement, developed over eight years and incorporating 13 patents. Its fully integrated movement introduces a world-first dual-melody grande sonnerie, allowing the wearer to select between the traditional Westminster chime and an original composition.
Beyond its extraordinary acoustic innovation, the Calibre 15GSQ combines a flying tourbillon, retrograde perpetual calendar, minute repeater and dual power reserve indicators. A patented acoustic membrane and meticulously tuned gongs deliver exceptional musical clarity and harmony.
Hand-assembled and finished in the Vallée de Joux, this 47 mm masterpiece features 18-carat gold bridges and exquisite hand decoration. Produced at just two pieces annually, it unites scientific ingenuity, musical artistry and traditional haute horlogerie craftsmanship.
Specs
Functions
Hours, Minutes, Seconds, Date, Day, Month, Year, Power reserve indicator, Tourbillon, Perpetual calendar, Minute Repeater, Striking Watch, Musical watch, Special escapement Two melodies selector ; Retrograde date
Movement
Hand-wound mechanical movement, calibre 15GSQ, 28,000 VpH, 96-hour power reserve
Case
47.00 mm × 14.50 mm, red gold case
Buckle
Red gold folding buckle
Strap
Brown alligator leather strap
Water resistance
1 ATM (10 m / 30 ft)
Year
2025
Reference number
15GSQ 3613 55B
Price
CHF 1'700'000.00
