The Sellita SW210-1 is the main competitor to the ETA caliber 2804-2, but with an additional 2 jewels. The official release date of this movement is unclear. However, current documentation for this caliber is dated 9/20/2018, so this movement is at least this old.
SW210-1 VS SW215-1:
The caliber SW210-1 is based on the SW215-1. The only difference is that the SW215-1 has a date at 3:00 and the SW210-1 does not. Other than that, the specs are the same.
The caliber SW210-1 is available from Sellita in 3 different finishes: Standard, Refined, and Tailor-Made.
Standard Finish – Bulk sand-blasted and nickel plated. Options include engravings, blue screws, rhodium plated, gold plated.
Refined Finish – Bridges with Geneva stripes, main plate with circular graining, snailed crown-wheel, snailed ratchet, and rhodium plated. Options include engravings, blue screws, snailed barrel, gold plated.