SAUTERELLE À HEURE MONDIALE in-house movement

Year of first presentation Andreas Strehler escapement
Functions Hour, minute, small second, quick setting of local time, GMT, world time and phase of the moon indication.
Winding-mechanism Hand winding with conical gears
Crown Three positions, 0=winding, 1=local time setting, 2=hand setting
Impulse Double main spring barrel, energy regulated by a patented remontoir d’égalité
Plates and bridge Central Main Plate and bridges are decorated to the highest standards, edges bevelled and polished by hand, fully decorated movement
Escapement Andreas Strehler escapement
Regulating system Free-Sprung balance with Breguet overcoil and four adjustment screws
Frequency 3 Hz / 21’600 A/h
Number of jewels 25
Number of individual parts 206
Size 32.0 x 30.0 mm
Height 7.2 mm
Power reserve 78 h, limited by a differential stop works