f = 36000 A/h
Photos from page:
AS2 / Upper photo – have pointer
AS2 / Upper photo – not have pointer.
Pointer is extra elements / regulator is functional and without this – if watch producer will (and pay) have – if not will (not will pay) not have. This is always in combination with number of jewels, have or not have chronometer certificate (chronometer number), shock protection system, finish quality… Determine price of movement for watchmaker… have impact to price…
AS 1920 can have and another regulator – Girard Parregaux variant (micrometer regulator with adjustable hairspring gap), Hamilton variant (Triovis micrometer regulator)…
Other sample without pointer