2023.12.11
--- Dial embossing depth matches genuine; lume application more consistent
--- Improved bridge finishing to closely match genuine CH28-520c
--- Enhanced bracelet link fitting for smoother articulation
2022.07.05
--- Upgraded to custom CH28-520c integrated movement with full function replication
--- Caseback sapphire now features double-sided AR coating
--- Date mechanism improved to instantaneous jump
2021.03.18
--- Brushing direction on case matches genuine
--- Corrected sub-dial font thickness
--- More refined engraving on clasp logo
2020.08.10
--- First release of 5980/1A Black Dial Chronograph Superclone version
--- Utilized modified 7750-based movement to achieve functions