June 2024
--- Improved sapphire resin clarity for enhanced transparency
--- Refined star-shaped screws with higher precision
--- Tourbillon gear system stabilized for better timekeeping
March 2024
--- Added skeletonized bridge layout with see-through caseback
--- Dial bridge color adjusted to match carbon tone
--- Rubber strap material upgraded to matte dustproof version
December 2023
--- First release of sapphire-look RM12-01 clones
--- Custom skeleton movement inspired by RM12-01 official layout