2023 Q3
Reworked matte ceramic texture – now 95% close to gen
Upgraded dial color and sunburst effect accuracy
Refined HUB4100 clone with smoother chronograph pushers
Improved caseback engraving and crystal transparency
2021 Q2
Updated case profile – more accurate side curvature
First implementation of sapphire caseback
Better polishing and anti-reflective coating on crystal
2019 Q4
Initial launch of 301.CI.5190.GR replica
Standard ceramic case with polished finish
Basic modified 7750 chronograph inside