Modified, quartz-driven alarm movement, employs seconds shaft to show minutes and includes components associated with drop-in alarm trip mechanism

摘要

The central seconds shaft (24) includes a three-hand mechanism. This comprises the minutes pointer (22m), hollow minutes shaft (29) and hours pointer (22h). It is equipped in addition with a locking disc (42) axially supporting the drop-in wheel (32) carrying the alarm pointer (34).