Astronomia Dragon | White Dragon Jacob & Co.

A majestic blend of high horology and fine art, the White Dragon edition stands as a pièce unique within the Astronomia Dragon series. It transforms its 50 mm sapphire-dome case into a celestial gallery, featuring a stunning 18K white gold dragon, expertly hand-cast, hand-polished and hand-painted, complete with yellow citrine cabochon eyes that bring it vividly to life.

Masterpiece Mechanics

1.  Caliber: Hand-wound JCAM29, with 384 components, 42 jewels, running at 21,600 vph, offering a 60-hour power reserve.

2.  Tourbillon: Dramatic double-axis tourbillon—one axis rotates every 60 seconds, the next every 5 minutes.

3.  Orbiting Satellites:

           A 1 ct Jacob-cut white diamond (288 facets) spins in 30 seconds;

           A natural yellow diamond globe (~4.75 ct) also rotates every 30 seconds.

4.  Differential time display remains upright despite the tumbling satellite assembly.

 Case & Dimensions

1.  Size: 50 mm diameter, 25 mm thick, water-resistant to 30 m.

2.  Materials:

            18K white gold case with sapphire side panes;

            Curved anti‑reflective sapphire crystal on front and back