2023-06
--- Improved anti-reflective coating on sapphire crystal
--- Enhanced folding clasp mechanism for smoother locking
--- Refined blue dial color accuracy and texture depth
2022-09
--- Updated movement decoration closer to genuine Cal.324 finishing
--- Improved lume application for longer brightness
--- Adjusted date window frame thickness to match original
2021-05
--- Slimmer case profile to match genuine 8.3 mm thickness
--- More accurate horizontal dial embossing spacing
--- Enhanced bracelet link polishing and brushing transition