Arnold & Son caliber A&S8305 Steel
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| Brand: | Arnold & Son |
|---|---|
| Reference: | A&S8305 Steel |
| Movement: | Automatic |
| Display: | Analog |
| Diameter: | 35.00 |
| Jewels: | 30 |
| Reserve: | 55 |
| Frequency: | 28800 |
| Chronograph: | Chronograph, Column wheel |
| Hands: | Hours, Minutes |
| Additionals: | Tourbillon Escapement |
A&S8305 Steel description
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: stainless steel tourbillion-barrette, satin-finished with hand-chamfered and polished edges, tourbillon cage hand-chamfered and mirror-polished bridge.
