Casio AS-A

The Casio AS-A is an ancient calculating machine. From the looks of the product and manual design, I'd guess that it is from late 60ies to early 70ies.

Casio AS-A
Capacity 12 digits
Parts MOS-IC, MSI and LSI
Power Consumption 6 W
Measures (W x H x D) 330 x 100 x 130 (in mm's)
Weight 1.7kg