Astronomia Sky Celestial Panorama

Market Cross Jewellers - Authorised Retailer of Jacob & Co.

Product Reference: AT110.30.AA.SD.A

TECHNICAL SPECIFICATIONS

Movement:
Caliber: Manufacture Jacob&Co. Manual Winding JCAM11
Diameter: 40mm
Height: 17.15mm
Components: 395
Material: Titanium
Jewels: 42
System: Gravitational Triple Axis Tourbillon
Finishing: Plate and Bridges: Hand Angled and Polished, Flank
Draw, Circular Graining, Polished Sink; Polished Screws
Power Reserve: 60-Hours
Frequency: 21600 vib/h (3 Hz)

Functions:
SIDEREAL DISPLAY
Celestial Dial covering the internal surface of the inside case,
representing the celestial vault through zodiac signs
A full rotation in 1 sidereal year1.
Oval sky indication: Showing the portion of the stars visible from the
northern hemisphere, a full rotation in 1 sidereal day2 above the
celestial vault.
Month indication: 12 months on sides of the celestial dial.

DAY AND NIGHT INDICATION
Lacquered hand-engraved titanium globe, rotating on itself in 24 hours,
inside a tinted half-domed sapphire, symbolizing night and day.

GRAVITATIONAL TRIPLE AXIS TOURBILLON
Rotating on 3 axes:
1 st 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
minutes
Open Worked Titanium Wheel and Hand indicating seconds;

HOUR & MINUTE INDICATION
Patented differential system Rotating on a Central Axe, travelling
across the celestial vault in 20 minutes;
1 One sidereal year is the time it takes the earth to orbit the sun.
2 Sidereal Day= 23.5640916 hours, it is the time it takes the earth to rotate on its axis (relative to vernal equinox).

THE JACOB CUT MOON
Weight: 1 carat; 288 Facets Orange Sapphire 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:
Diameter: 47mm
Height: 25mm
Material: 1. 18K Rose Gold; 2. 18K White Gold; Sapphire Apertures
on Sides
Case Back: 1. 18K Rose Gold; 2. 18K White Gold
Bows: 1. 18K Rose Gold; 2. 18K White 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 (3atm)

Dial & Hands:
Celestial Dial:
Blue Grade 5 Titanium, 18K Gold hand-engraved and applied stars and
zodiacal signs
Hour and Minute Subdial:
Titanium, Hand Angled and Polished, Lacquered Indexes; Differential
Gear System
Hands: Blued Jacob&Co designed hands

Strap & Clasp:
Strap: Alligator
Clasp: 1. 18K Rose Gold; 2. 18K White Gold Folding Buckle

Limited Edition: 18 Pieces