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Photo of A&S1615 - Double Power Reserve calibre

A&S1615 – Open-worked

A&S1615 driving the Time Pyramid collection is displayed for all to see. The sprung balance sits at 12 o’clock. Below, the gear train highlights an array of finishes that include hand chamfering, satin-finished and sunray-brushed wheels, snailed barrels and blued screws. On either side, two barrels power the calibre. Fully developed, machined, assembled and adjusted at the Manufacture, it can operate for 90 hours without rewinding.

Diameter
37.60 mm
Height
4.40 mm
Jewels
27
Power Reserve
90h
Frequency
3 Hz / 21,600 vph