====== GO 51 ====== **GO 51** is a calibre by [[Glashütte Original]]. [[Manual winding]] movement with [[flying tourbillon]] and [[perpetual calendar]], 21,600 A/h, 21 [[jewels]] and 2 [[diamond]] endstones, hours, minutes, and seconds indication. The power reserve is 48 hours. **Description:** * [[Manual winding]] movement * [[Escapement]] stone lever * [[Screwed balance]] with 18 gold weight screws * [[Shock protection]] [[Incabloc]] * [[Yoke winding system]] * [[Flying tourbillon]] on movement side **Functions:** * Hour and minute (decentralized) * [[Central seconds]] **Data:** * ? [[ligne]]s * D 26.2 mm, H 6.1 mm * 21,600 A/h * 21 [[jewels]] + 2 [[diamond]]s * Power reserve 48h **Extras:** * Movement high-class finished * Edges [[angled]] * Steel parts polished * [[Blued]] screws * Srewed gold chatons **Production period:** * ? {{tag>Movements Manual_winding_movements Glashütte_Original_calibres}}