====== ETA 2820 ====== The **ETA 2820** is an automatic calibre from [[ETA]]. Like the closely-related **2822** (date only) and **2828** (day/date) movements, the **2820** is an 11.5 [[ligne]], 21,600 bph [[automatic]]-wound movement. All members of the 2800 "family" are related, but this series is closest to the automatic [[ETA 2800|2800/2802/2808]] line, which shares similar specs. {{tag>Movements Automatic_movements ETA_2800_calibres}}