"IWC SCHAFFHAUSEN" LINE ON IWC CLASP IS MADE BUY BRUSH OR POLISHED STAINLESS STEEL ?

Hello i want to ask that "IWC SCHAFFHAUSEN" LINE ON IWC CLASP IS MADE BUY BRUSH OR POLISHED STAINLESS STEEL ? I found some picture that made by brush but some picture show it made by polished. Which real ?

Pls help me

Thank you, my friend

Here you can find the price for the original: https://www.iwc.com/ch/en/services/service-price-calculator.html