May 2025
Improved lume material on hands and indices, ~30% stronger brightness
Fixed slight discoloration in the small seconds subdial
Enhanced dial coating to reduce glare and uneven blue tone
December 2024
Upgraded case to 904L stainless steel
Better alignment and printing on chronograph subdials
Improved bridge finishing on the display caseback movement
July 2024
First version with custom-built 7750 clone mimicking HUB4100
Dial color slightly grayish-blue (later adjusted)
Accurate H-screw and bezel positioning at 95% match