rom its origin, the Balancier 3 was conceived around structural clarity. Its architecture is defined by three prominent bridges – the barrel bridge, the balance bridge and the large central bridge that supports the hours and minutes display and extends toward the small seconds disc. Together, they create a composition where each mechanical function remains clearly legible while contributing to a coherent architectural whole.

The Convexe titanium case frames this construction through ergonomic curvature. Measuring 41.50mm across the caseband, it follows the natural line of the wrist, while the variable-geometry bezel and curved sapphire crystal reinforce the continuity between exterior form and movement architecture.

At the heart of the timepiece lies Greubel Forsey’s in-house variable-inertia balance wheel, measuring 12.60mm in diameter and fitted with six gold mean-time screws. The movement is composed of 282 components and powered by two fast-rotating series-coupled barrels delivering a 72-hour chronometric power reserve, combining technical density with openness and visual depth.

The principal evolution of this edition lies in the treatment of the bridges. The balance and barrel bridges are executed in polished titanium, preserving a bright, reflective presence within the architecture. In contrast, the large central bridge introduces a new finishing language. Extending from the edge of the movement between 1 and 2 o’clock down to the rotating small seconds disc between 7 and 8 o’clock, it is distinguished by an exceptionally deep frosting, applied by hand with a steel brush across its curved surface. This pronounced matte texture contrasts with the lighter frosting on the movement bridges, while polished bevels bring definition and crispness to its contours. Together, these finishes create an engaging interplay of surface aesthetics and light, reinforcing the Balancier 3’s three-dimensional character.

The visual depth is further reinforced by a nuanced play of colour. Different hues of blue create stronger contrast, guiding the eye through the multiple levels of the architecture and enhancing legibility.

The functional layout remains faithful to the original concept: hours and minutes displayed on the suspended central bridge, a rotating small seconds disc with fixed indicator, and a power reserve indication visible on the movement side.

Limited to 22 timepieces, this new Balancier 3 is an evolution through finishing. By differentiating the visual language of the bridges and introducing a new treatment for curved titanium surfaces, Greubel Forsey expands the expressive possibilities of mechanical architecture while remaining true to the original vision of the Balancier 3.

TECHNICAL SPECIFICATIONS

MOVEMENT

MOVEMENT DIMENSIONS • Overall diameter: 35.80mm • Thickness: 9.03mm

• NUMBER OF PARTS • Movement: 282 parts

• NUMBER OF JEWELS • 43 • Olived-domed jewels in gold chatons

• CHRONOMETRIC POWER RESERVE • 72 hours

• BARRELS • Two series-coupled fast-rotating barrels (1 turn in 3.2 hours), one of which is equipped with a slipping spring to avoid excess tension • Relief-engraved text, circular-grained, rhodium-coloured treatment

• BALANCE WHEEL • In-house variable-inertia with 6 gold mean-time screws (12.60mm diameter)

• FREQUENCY • 21’600 vibrations/hour

• BALANCE SPRING • Phillips terminal curve • Geneva-style stud

• BRIDGES AND MAIN PLATES • Titanium • Frosted, polished bevelling and countersinks, light blue treatment • Multi-level, frosted openworked arch bridge, polished bevelling and countersinks

• MOVEMENT SIDE • Frosted bridges, polished edges and countersinks • Gold plate with engraved limitation number, circular-grained, polished bevelling and countersinks, straight-grained flanks

• GEARING • Involute circle profile

• DISPLAYS • Hours and minutes, on suspended arch bridge • Small seconds on disc • Power reserve on a sector (movement side)

• CASE • Titanium with curved synthetic sapphire crystal • Three-dimensional, variable geometry-shaped bezel, hand-polished with hand-finished straight graining • Profiled lugs • Transparent back with synthetic sapphire crystal • Titanium security screws • Raised engraving “Balancier 3” and “Greubel Forsey”

• CASE DIMENSIONS • Caseband diameter: 41.50mm • Bezel diameter: 43.60mm • Case height: 13.35mm • Height on synthetic sapphire crystals: 13.55mm

• WATER RESISTANCE OF THE CASE • Water-resistant 5atm - 50m – 164ft (standard NIHS 92-20/SN ISO 22810:2010)

• CROWN • Titanium, polished and straight-grained, with GF logo

• DIAL SIDE • Three-dimensional, variable geometry hour-ring with engraved and lacquered minute-circle • Three-dimensional, variable geometry hour indexes, polished, with Super-Luminova • Light alloy small seconds indicator, circular-grained

• HANDS • Hours and minutes, curved profile, polished steel with Super-Luminova • Small seconds, fixed red triangle • Power-reserve, in polished steel, flat black polished head

• STRAP AND CLASP • Hand-sewn textured rubber, rubber with texture in relief, titanium folding clasp, engraved GF logo • On demand: 3-row metal bracelet in titanium, folding clasp with integrated fine adjustment, engraved GF logo