The two digits following the first letter usually represent the year of production. For example, a serial number starting with "21" indicates a 2021 manufacture date.
To begin your lookup, check these primary locations on your instrument:
Identifying the age and origin of an Eko guitar in 2021 (and beyond) requires a mix of physical inspection and understanding historical production shifts, as Eko did not always use a centralized, sequential serial number system like modern manufacturers. Where to Find the Serial Number eko guitar serial number lookup 2021
Eko’s numbering systems vary significantly depending on the era: Modern Eko Guitars (Post-2000s)
Dating vintage Eko guitars is often more about "detective work" than a simple database search: The two digits following the first letter usually
Production year can also dictate hardware; for instance, NXT A100 models from 2022 onwards feature a 46mm nut, while those marked "21" or "20" have a 43mm nut. Vintage Italian Models (1959–1984)
J-prefixes often appeared in the late 1960s. After 1973, rosettes (the decoration around the soundhole) generally became simpler. Where to Find the Serial Number Eko’s numbering
Some bass models may have numbers located under the intonation screws on the bridge. Decoding Eko Serial Numbers
Recent models, such as the NXT Series, use a more transparent dating system within the serial number:
Many early 1960s models lacked serial numbers entirely. You can identify these by their sepia-toned internal labels or more elaborate rosettes.