Astronomia Tourbillon | Rose Gold Jacob & Co.

I . ITEM NUMBER AT100.40.AC.SD.A II . MOVEMENT Caliber : Exclusive Jacob&Co. Manual Winding JCAM35 Height : 18.05mm Components : 617 Jewels : 70 Power Reserve : 60-Hours Shock Protection System : Incabloc Frequency : 21'600 vib/h (3 Hz) System : Triple Axis Tourbillon Functions : Hours, Minutes. Tourbillon Cage rotating on 3 axes: 1st Axis: one turn in 60 Seconds 2nd Axis: one turn in 2.5 Minutes 3rd Axis: one turn in 10 Minutes When the watch is wound the mechanism switches on for approximately 15sec. During this time, the chassis makes 4 turns on itself. Yellow Sapphire on top of movement (?2 cts) 288 Facets Spherical Exclusive Jacob Cut Diamond (?1ct.) rotating on itself in 30sec. Magnesium Lacquered Globe rotating on itself in 30sec. III . CASE Diameter : 50mm Thickness : 25mm Material : 18K Rose Gold; Sapphire Apertures on Sides; Crystal : Unique Domed Sapphire with Anti-reflective Treatment Base : Aventurine with hand-painted Milky Way carrying 7 Planets made of Cabochon cut Precious Stones Half-Spheres: White Granite for Mercury, Rhodonite for Venus, Red Jasper for Mars, Pietersite for Jupiter, Tiger Eye for Saturn (18K Rose Gold applique for the rings), Blue Calcite for Uranus and Lapis Lazuli for Neptune. Caseback : 18K Rose Gold; Winding and Time-Setting via 18K Rose Gold lift-out rotating "bows"; Water resistance : 30m (3atm) IIII . DIAL & HANDS Dial : Titanium Dial, Hand-angled and Polished, Engraved and Lacquered Indexes; Hands : Blued Jacob&Co designed hands V . STRAP & CLASP Strap : Alligator Clasp : 18K Rose Gold Folding Buckle VI . LIMITED EDITION 18 Pieces