The number 690 has no well-established or prominent symbolic meaning in biblical or Jewish tradition.

690 is not a number specifically highlighted in the Bible or in classical Jewish numerology (gematria) with clear, recognized symbolism. The number appears in 1 Chronicles 9:6, where it indicates the number of descendants of Serah (from the tribe of Judah) who were settled in Jerusalem after returning from the Babylonian exile. Although one can find Hebrew words or phrases in gematria that have the numerical value 690, this is not among the numbers traditionally assigned significant symbolic weight. Nor is it connected to central biblical events, time periods, or prophecies in a way that has gained broad recognition within theological tradition.