AKA (Label): MODEL-810R, ELECTRONIC CALCULATOR, Product number (P/N): 810R,
Keywords/Tags: 810R
Date of intro: 1974, Origin: Japan (List), Dimensions: 150x87x33mm, Weight: 276g,
Power: Rechargeable,
Display: Type = Display (VFD) (List), Brand = FUTABA: 9CT01, Digits = 8+1,
Number of keys: 20, #Key-Blue: 8, #Key-Grey: 11, #Key-Orange: 1,
Keyboard Array (Rows x Columns): 04x05,
Decimal switch: [F-A-4], Miscellaneous switch: [MEMORY_ON-OFF],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip, Memories: 1,
Resemblance with: (Resemblance 007_04_05_20),
Known Serial-numbers: 31211359 (List of all S/Ns from CITIZEN)
Collector value: 7/10,
Courtesy of: DUDEK Emil,
Internet: Link-1: VINTAGE TECHNOLOGY