Jacob & Co.
AT170.40.AB.AB.ABRUA Astronomia
round
Domed Sapphire with Anti-Reflective Treatment
Engraved 18K Rose Gold
18K Rose Gold; Sapphire Caseband
18K Rose Gold
47 mm
30 m
27 mm
Skeleton, Red Polycarbonate with 5N Applied Indices
5N Applied Indices
5N Red Gold Dauphine
36 hours
Manual
Exclusive Jacob&Co. Manual Winding JCAM48B
Rotating Satellite Carriage : 1 rotation in 1 minute Rotating Arrow : 1 rotation in 15 seconds Double-axis Flying Tourbillon : 1st Axis: 1 rotation in 1 minute 2nd Axis: 1 rotation in 15 seconds Constant Force with 1/6th sec. Frequency (patent pending) Hours and Minutes Rotating Dial Winding and Time-Setting on Caseback
BASE: 18 POLISHED 5N RED GOLD HONEYCOMB MIRRORS
Cordura with Rubber Lining
Black
18K Rose Gold Deployment Buckle