Battery holder height
Height of the battery holder as denoted on the schematics (Keystone 2998) is too tall. According to DS it is 3.0 mm, whereas component side 2 nominal limits for AMC is 3.6 mm from Datum M, what for 1.6 mm PCB is 2.8 mm.
According to #54 (closed) battery holder should remain, thus a different holder should be suggested.