Arnold & Son caliber A&S8305
Ref. A&S8305
The Arnold & Son caliber A&S8305 is an automatic movement with a 55-hour power reserve, beats at 28,800 vph, and carries 30 jewels.
Exclusive Arnold & Son mechanical movement, self-winding, ceramic ball bearing, 30 jewels, diameter 35.00 mm, thickness 8.15 mm, power reserve 55 h, 28,800 vibrations/h. Movement decoration: palladium treated with Haute Horlogerie finishing: hand-chamfered bridges with polished edges, fine circular graining and Côtes de Genève rayonnantes, all chronograph levers are satin-finished with hand-chamfered and polished edges, circular satin-finished wheels, blued screws with bevelled and mirror-polished heads. Hand-engraved 22-carat red gold skeletonised rotor with brushed surfaces and chamfered polished edges. Tourbillon: 18-carat red gold tourbillion-barrette, satin-finished with hand-chamfered and polished edges, tourbillon cage hand-chamfered and mirror-polished bridge.
- Type
- Automatic
- Display
- Analog
- Power reserve
- 55 h
- Frequency
- 28800 vph
- Jewels
- 30
- Diameter
- 35 mm
- Complications
- Chronograph, Column wheel, Hours, Minutes, Tourbillon Escapement
