1. Introduction p 35 The Manufacture Audemars Piguet Jules Audemars watch with AP escapement 2. About the watch p 40 New Audemars Piguet escapement Dual balance-spring High frequency and precision 3. Watch description p 48 Quick-link contents page (see opposite).
The Manufacture Audemars Piguet The Vallée de Joux : cradle of the watchmaker’s art n the heart of the Swiss Jura, around 50 kilometres north of Geneva, nestles a landscape which has retained its natural charm to this day : the Vallée de Joux.
Page 6
Vallée de Joux, the cradle of Haute Audemars Piguet continued to build on Horlogerie. Determination, imagination and its now international reputation with discipline led them to instant success. A creative designs.
Page 7
Audemars watch w ith AP escapement is the design, featur ing a transparent dial that reveal s the outstanding mechanism of the new Calibre 2908 with its white-gold mainplate. The watch’s three- dimensional aesthetic leads the eye straight to the small seconds display, then to the hours and minutes and the two barrels.
Page 8
New Audemars Piguet escapement The new Audemars Piguet escapement system takes it s inspirat ion from the mechanism proposed by Robin. This direct-impulse escapement has a large number of advantages, including full shock resistance. Its innovative design and outstanding performance render this patented system a minor revolution in watchmaking mechanics.
Page 9
0,4 mm No lubrication on the lifts (Dia. 1a and 1b) : the special geometr y of the Audemars Piguet escapement means no lubr ication - a watch- maker’s dream! - which facilitates maintenance and prevents greasy paste build up af ter oil evaporation.
Page 10
Dual balance-spring The calibre 2908 also stands out for its totally new regulator component. Two balance-springs positioned one on top of the other, offset by 180°, automatically compensate for any balancing defects. Undoubted advantages The system of dual “opposing” flat balance-springs has many advantages : no more bal ance -spr ing “end cur ves”...
Page 11
High frequency and precision In addition to the intr insic advantages of the AP escapement, the new Calibre 2908, which powers this latest addition to the Jules Audemars collection, offers exceptional frequency hitherto unseen in the world of f ine watchmak ing. It is t w ice as ef f ic ient as conventional designs, boasting 43,200 vph (6 Hz), and marks a major milestone in the AP watchmakers’...
Fitting diameter : 39 mm (17 ²⁄ ³ lines) Frequency : 43’200 vibrations/hour (6 Hz) Number of jewels : 33 Power reserve : at least a 72 hours Manual winding Audemars Piguet lubrication-free escapement Variable inertia balance Flat dual balance springs Stop-seconds function Number of parts : 274...
Watch indications and functions (see figure on the inside cover) Hour hand Minute hand Small second hand Power reserve indicator hand Your watch is fitted with a two-position crown : Crown in manual winding position Crown in time-setting position...
Setting the time Power reserve Pull the crown to position . The stop-seconds When the watch has been wound to a maximum, arresting lever is automatically activated when the hand which shows the power reserve will be the crown is pulled to ensure prec ision t ime at the outside of the indicator.
Page 15
If your watch stops Normally if your watch stops, simply winding it with the crown is enough to start the movement. However, sometimes the movement does not start again automatically. This is because the escapement is no longer receiving an impulse, as the impul se-pin and pallet fork remain fixed in this position (Fig.
Page 16
Guarantee and care All details concerning the guarantee and instructions on caring for your watch are provided in the enclosed certificate of origin and guarantee.
Need help?
Do you have a question about the 2908 and is the answer not in the manual?
Questions and answers