CELESTIAL PANORAMA GRAVITATIONAL TRIPLE AXIS TOURBILLON

Feat of watchmaking, design and engineering, taking the celestial display so integral to seafarers, astronomers and ancient horologers and placing it on your wrist.
Never before seen in watchmaking, the Astronomia Sky introduces a three-dimensional sidereal display.
“As a sailor heading toward the seas driven by the celestial vault, I found my star: the Astronomia Sky”, says Jacob Arabo, founder of Jacob & Co.

Movement: Manufacture Jacob&Co. Manual Winding JCAM11; Diameter: 40mm; Height: 17.15mm; Components: 395; Material: Titanium with Black Treatment; Jewels: 42; System: Triple Axis Gravitational Tourbillon; Finishing: Plate and Bridges: Hand Angled and Polished, Flank Draw, Circular Graining, Polished Sink; Polished Screws; Power Reserve: 60-Hours; Frequency: 21’600 vib/h (3 Hz)

Functions:

SIDEREAL DISPLAY – Celestial Dial covering the internal surface of the inside case, representing the celestial vault through zodiac signsA full rotation in 1 sidereal year1 counter clockwise.Oval sky indication: Showing the portion of the stars visible from the northern hemisphere, a full rotation clockwise in 1 sidereal day2 above the celestial vault.Month indication: 12 months on sides of the celestial dial: indication index at 6 o’clock.

DAY AND NIGHT INDICATION – Lacquered hand-engraved titanium globe, rotating on 2 axes:

• 1st Axis: A full rotation on itself in 24 hours
• 2nd Axis: Central Axe, travelling across the celestial vault in 20 minutes;Inside a tinted half-domed sapphire, symbolizing night and day

GRAVITATIONAL TRIPLE AXIS TOURBILLON – Rotating on 3 axes:

• 1st Axis: in 60 seconds
• 2nd Axis: in 5 minutes
• 3rd Axis: Central Axe, travelling across the celestial vault in 20 minutes

ORBITAL SECOND INDICATION – Rotating on 2 axes:

• 1st Axis: in 60 seconds
• 2nd Axis: Central Axe, travelling across the celestial vault in 20 minutesOpen Worked Titanium Wheel and Hand indicating seconds

THE JACOB CUT MOON – Weight: 1 carat; 288 Facets White Diamond Patented Jacob Cut Rotating on 2 axes:

• 1st Axis in 60 seconds
• 2nd Axis: Central Axe, travelling across the celestial vault in 20 minutes

Case: 47mm; Thickness: 25mm; Material: 18K Black Gold; Sapphire Apertures on Sides; Case Back: 18K Black Gold; Bows: 18K Black Gold lift-out Rotating “bows” for Winding, Time-Setting; two Wheel on Caseback Sides for Synchronization of the Sidereal Time: Celestial Dial and Oval Sky Indicator. Crystal: Unique Domed Sapphire with Anti-Reflective Treatment;Water resistance: 30m (ISO 2281)