====== ETA 1727-1 ====== {{wst>image_cr|ETA|1727-1}} **ETA 1727-1** is a calibre by [[ETA]] Mechanical movement with [[manual winding]]. The movement has its origins in the historic calibre [[AS 1727]]. Calibre in ladies' size. **Description:** * [[Manual winding]] movement * [[Swiss lever escapement]] * ETACHRON Regulator System * [[Perlage]]-finished **Functions:** * Hours, minutes * [[Small seconds]] between the center and 6 h **Data:** * 8¾ [[ligne]]s * Ø 19.4 mm, H 3.5 mm * 19 [[jewels]] * 21,600 A/h * [[Power reserve]] ? h **Production period:** * Since [[2003]] {{tag>Movements Manual_winding_movements ETA_calibres}}