Rev 7:4 Makes it very clear, in this parenthetical break from Tribulation between the sixth and seventh seal, that the marked or sealer multitude are Jews! “And I heard the number of then that were sealed: and there were sealed an hundred and fourty and four thousandall of the tribles of the children of ISRAEL”.
Interestingly, over the centuries, many have claimed to be the 144,000.  Jehovah Witnesses, Mormons, Seventh Day Adventist, Garner Ted Armstrong and his Worldwide Church of God, all claimed they were the “Chosen Ones” at some point in their history.
John sets these breaks between the seals, trumpets and bowls final judgments for clarity and understanding.  The seven trumpet and seven bowl judgments are in the seven seals.  The timeline is clear as John continues with his common statement, “AfterThese Things”.
Let’s continue our journey through the Book of Revelation, identify the mulititude and learn of another group or dispensation of “the elect” that gather before the thrown of the LORD!  Wonder who these Jews might be?  Check out the article in the Glossary of Terms section on the right for a possible answer!