Astronomia Sky

Market Cross Jewellers - Authorised Retailer of Jacob & Co.

Product Reference: AT110.40.AA.WD.A

TECHNICAL SPECIFICATIONS

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 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;

THE JACOB CUT MOON
Weight: 1 carat; 288 Facets
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
Diameter: 47mm;
Thickness: 25mm;
Material: 18K Rose Gold; Sapphire
Apertures on Sides;
Case Back: 18K Rose Gold;
Bows: 18K Rose Gold lif t-out
Rotating bows for Winding,
Time-Setting; two Wheel on Case-
back 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).

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: Hand Finished Blue.

STRAP & CLASP
Strap: Alligator
Clasp: 18K Rose Gold
Folding Buckle.

LIMITED EDITION
18 Pieces;
Individually Numbered Pieces