Topas 

The Topas has 37 treble keys and 96 basses. On the right hand there are 4 sets of treble reeds with 11 switches. On the left hand there are 4 sets of bass reeds with 5 switches. It has full sized keys and is tuned with the piccolo. This accordion has Italian reeds for a sweeter sound. Weight 21.5 lbs.

Cassotto 374  

The Cassotto 374 has 37 treble keys and 96 basses. On the right hand there are 4 sets of treble reeds with 11 switches. On the left hand there are 4 sets of bass reeds with 5 switches. It has full size keys and is tuned musette. This model is great for those looking for a light weight professional accordion. Weight: 10.33 kg.