|Diameter:||25.60 mm (11.5 ligne)|
|Complications:||Date, Hacking Seconds, Quick Date Correction, Semi-Instantaneous Date Change|
|Hands:||Central Hour Hand, Central Minute Hand, Central Seconds Hand|
|Production: 1982 – Current|
ETA places Cal. 2804-2 in their standard “Mecaline” line and it remains in production as of 2019. It is the updated version of Cal. 2804.