- Year
- 2026
- Condition
- Unworn
- Set
- Box and papers
- Movement
- Hand-wound
- Size
- 45.5 mm
Set and condition
Complete set
This Astronomia Solar Constellations is accompanied by its original presentation box, warranty card and supporting documentation. The watch and included items are inspected by an expert watchmaker before sale. Additional photographs and video of this piece are available on request.
Original presentation box
Original presentation box and packaging.
Original papers
Warranty card and supporting documentation.
Inspected prior to sale
Reviewed for condition, completeness and functionality. Additional details and photographs are available on request.
Condition photography
Additional close-up images of specific areas are available before purchase.
Overview
A vertical platform that turns in 10 minutes
The Jacob & Co. Astronomia Solar Constellations, reference AS300.40.AA.AE.A, in an 18-carat rose gold case with sapphire side panes, 45.5 mm across and 21 mm high. It has an openworked titanium hour and minute dial, on a blue alligator leather strap with a tang buckle. This version is limited to 101 pieces.
A vertical platform rises from the dial and makes a full turn every 10 minutes. Jacob & Co. says this constant motion drives every function and indication of the movement. The base beneath the platform turns counterclockwise, also in 10 minutes.
Hand-wound calibre JCAM19 has 447 components and a 48-hour power reserve. A flying tourbillon hangs at the end of one satellite arm and turns in one minute. Carried by the platform, it gains a second axis with a 10-minute period. The hour and minute dial sits on another arm. Jacob & Co. describes a patented differential that turns the dial against the platform at the same speed, so it stays upright and readable. A magnesium Earth globe turns in 60 seconds.
Key details
Design and engineering
- Platform and tourbillonThe platform turns once in 10 minutes and carries a flying tourbillon that turns in one minute.
- DialAn off-centred, openworked hour and minute dial in titanium, with blued hands.
- Platform baseBlued titanium with seven cabochon-cut stone planets and rose gold constellations.
- Case18-carat rose gold with sapphire side panes, a curved anti-reflective sapphire crystal and an 18-carat rose gold caseback. Water resistant to 30 m.
Calibre JCAM19
- Hand-wound
- 447 components
- 48-hour power reserve
- 28,800 vph (4 Hz)
- Flying tourbillon, one rotation in 1 minute
- Differential hour and minute dial
The reference
Technical specifications
| Reference | AS300.40.AA.AE.A |
|---|---|
| Collection | Astronomia |
| Calibre | JCAM19 |
| Movement | Hand-wound |
| Functions | Vertical Rotating Central Platform: Rotation in 10 minutes; Flying Tourbillon: Rotation in 1 Minute; Off-centered Hour and Minute Dial with Differential; Rotating Base: Counterclockwise Rotation in 10 minutes; Rotating Magnesium Earth Globe: Rotation in 60 Seconds |
| Power reserve | 48 hours |
| Frequency | 28,800 vph (4 Hz) |
| Components | 447 |
| Case dimensions | 45.5 mm |
| Case height | 21 mm |
| Case material | 18-carat rose gold and sapphire side panes |
| Crystal | Curved Anti-Reflective Sapphire Crystal |
| Case back | 18-carat Rose Gold |
| Water resistance | 30 m (3 atm) |
| Dial | Titanium, Openworked Hour and Minute Dial |
| Platform base | Blued Titanium with 7 Cabochon-cut stone Planets and Rose Gold Constellations |
| Hands | Blued, Exclusive Jacob & Co. Shape |
| Strap | Blue alligator leather |
| Clasp | Tang Buckle |
| Limited edition | 101 pieces |
Buying with HYPA
Purchase with confidence
- Original warranty card included, dated 2026
- Free insured delivery within Australia and Hong Kong, and to Singapore (ships from Hong Kong) · elsewhere quoted
- Payment by bank transfer
- Registered Australian dealerHYPA International Pty Ltd · Registered Victorian second-hand dealer, Registration No. SHD-0018017.
- Direct specialist supportSpeak with the HYPA team before, during and after the purchase.
- Rated 5.0 on Google · 11 reviewsFrom clients of HYPA International on Google. Read the reviews
Continue browsing
