The band created a list of what "qualities" they wanted to include on the album before Miho, Miyako, and Asami started writing in their own teams with their frequent collaborator, Light Bringer keyboardist Mao.

"[1] Miho described the opening riff of "Pledge of the Saviour" as a good mixture between melodic power metal and the musicality from Midori and Miyako's metalcore backgrounds.

[3] The slightly progressive metal track "Empty Daydream" was originally made for Battle Against Damnation, but did not pass the EP's final song selection and was instead kept for the album.

[6] The bassist also said that with "Journey to the Otherside" she was partially able to create a chorus that could be sung in unison with a live audience, inspired by an experience she had playing Grim Reaper's "See You in Hell" at an event she was disc jockeying for.

[9] Victor released a limited edition 2-disc vinyl LP record version of the album, titled Yūkyū no Haguruma (悠久の歯車, "Eternal Gear") in Japanese, on November 6, 2019, with new liner notes by Masanori Ito.

[18] Dead Rhetoric's Matt Coe wrote that the album reminds him of the best of Visions-era Stratovarius, Helloween's classic Keeper of the Seven Keys records, and "the magnificence of early Angra."

"[13] Citing "Mastermind 01" and "Pledge of the Saviour" as highlights, Dannii Leivers of Metal Hammer claimed Clockwork Immortality is without a bad song as each "stands tall and defiant, brilliantly crafted and memorable in its own right."

[15] Calling the songs engaging, inventive and inspiring, Hysteria's Audrey Gerrard believes Clockwork Immortality represents another step closer towards Lovebites finding its unique blend of power metal "with a range of stylistic strengths at the core of the various tracks.

"[16] Ali Cooper of Distorted Sound gave the album a 7/10 and praised the skills of the guitarists and Asami's vocals, but felt several aspects were predictable and "cookie-cutting.