Vintage Electronic Calculators:

Overview of Brands


MONROE: 620 (version-1)
(Page 1/1)

AKA (Label): MODEL 620, Product number (P/N): 620,
Keywords/Tags: 620
Date of intro: 1972, Origin: Japan (List), Dimensions: 292x254x89mm,
Display: Type = Display (Nixie) (List), Digits = 12+1,
Keyboard: Reed-switch, Number of keys: 24, #Key-Brown: 24,
Decimal switch: [0-1-2-3-4-6], Round switch: [5/4-(ArrowDown)], Indicators: OVERFLOW,
Classification: / Desktop with Display,
Featuring: Logic-technology: LSI (Large Scale Integration), calculator-chipset, Memories: 1,
Related with: (Cables): Female_3-Holes: 0018x0014x0013,
Main Components: CANON: X61797902; CANON: X61877402; ...,
Made by: CANON (List of all Import-OEM-models for MONROE),
Serie-members: MONROE: 620 (version-1) (Different Label); MONROE: 620 (version-2) (Different Label),
Known Serial-numbers: 651967 | D655273 (D 655273) (List of all S/Ns from MONROE)
Initial Cost Price: USD445.00, Collector value: 8/10,
Courtesy of: MÜLLER Andreas,


(Courtesy of: MÜLLER Andreas)

(Courtesy of: MÜLLER Andreas)

Label, name plate
S/N: D655273 (D 655273)
(Courtesy of: MÜLLER Andreas)

Created: 15-may-2016, Manual-update: 21-feb-2021, Batch-update: 26-feb-2024             

# Pageloads since 2018: 162             

4 Pic(s),


If you have a (better) personal picture and/or missing info about any model not listed: Please do send a Mail