Patek Philippe caliber 31-260 PS HMD AU
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| Brand: | Patek Philippe |
|---|---|
| Reference: | 31-260 PS HMD AU |
| Movement: | Automatic |
| Display: | Analog |
| Diameter: | 33.80 |
| Jewels: | 28 |
| Reserve: | 48 |
| Frequency: | 23040 |
| Hands: | Hours, Minutes |
| Astronomical: | Moonphase |
31-260 PS HMD AU description
The Patek Philippe calibre 31-260 PS HMD AU is a self-winding movement developed for an automaton wristwatch with on-demand retrograde indication of the hours and minutes. It combines the base architecture of the 31-260 family with an additional mechanism that displays the time only when activated, while also driving a decorative small seconds indication.
The movement measures 33.8 mm in diameter and 4.00 mm in thickness. It consists of 267 parts, uses 28 jewels, and is wound by an off-centre platinum mini-rotor. It operates at 28,800 semi-oscillations per hour and offers a power reserve ranging from a minimum of 38 hours to a maximum of 48 hours. Its regulating organs include a Gyromax balance and a Spiromax balance spring, and the movement bears the Patek Philippe Seal.
A key feature of calibre 31-260 PS HMD AU is its on-demand time display, activated by a pusher and executed through a retrograde indication for the hours and minutes. The movement also incorporates a patented disengaging clutch system designed to secure the time-setting mechanism.
Within Patek Philippe’s current movement range, calibre 31-260 PS HMD AU is notable for combining an automaton with an on-demand retrograde time display in a self-winding wristwatch format.