AKA: RICOMAC 1621R, AKA (Label): 7457-00 or 7457-03, Product number (P/N): 745700 (7457-00),
Keywords/Tags: 745700 (7457-00) | 745703 (7457-03) | 1621R
Date of intro: 1971,
Power: AC,
Display: Type = Display (VFD tube) (List), Digits = 16+1,
Number of keys: 31, #Key-Black: 8, #Key-Red: 2, #Key-White: 21,
Classification: / Desktop,
Featuring: Procent, Square root,
Known Serial-numbers: E15297 (E 15297) (List of all S/Ns from RICOH)
Collector value: 8/10,