- Limited edition of 18 pieces.
- CASEMaterial : black ceramic.
- Size : 50 mm.
- Thickness : 25 mm.
- Sapphire apertures on sides case back : black ceramic.
- Bows : winding and time-setting via black DLC grade 5 titanium lift-out rotating "bows" at case back.
- Skylayer front case : aventurine.
- Crystal : unique domed sapphire with anti-reflective treatment.
- Water proof
- DIALTitanium dial.
- The Roman numerals on the skeletonized dial are hand-engraved and filled with black lacquer.
- The hand-finished hour and minute hands turn over top.
- STRAPBlack Louisiana alligator leather.
- Clasp : black DLC grade 5 titanium folding buckle.
- FUNCTIONSHours, minutes dial rotating in 10 min on the central axis, patented differential gears system.
- 288 facets spherical diamond rotating in 30 sec on 2 axes magnesium lacquered globe rotating in 30 sec on 2 axes.
- Gravitational tourbillon cage rotating on 3 axes : 1st axis : in 60 sec, 2nd axis : in 2.5 min, 3rd axis : central axe in 10 min.
- MOVEMENTExclusive manufacture Jacob and Co.
- Manual winding.
- القطر : 40 ملم.
- Height : 17.15 mm.
- Components : 365.Jewels : 42.Material : titanium.
- System : gravitational triple axis tourbillon.
Jacob & Co. Astronomia Tourbillon Limited Edition 50mm
| النموذج | علم الفلك |
|---|---|
| تاريخ الإصدار | 2024 |
| المواد: | سيراميك |
| الحجم | قطر 50 مم |
المراجعات
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