Yes, it’s stainless steel with a Platinum bezel.
After the anniversary year 2024, although the perpetual calendar with the B19 movement was initially introduced exclusively in red gold, in 2025 my stainless steel version with the ice-blue dial (which for me is by far the most beautiful variant) was released.
And this year, 2026, two additional models are being added — one of them again in stainless steel and one in platinum.