BBS Royal Oak multifunctional perpetual calendar watch with blue steel aesthetic.
Case size: 41mm, thickness: 11.4mm.
This model is equipped with a Cal.5134 automatic movement architecture, designed to replicate the multi-function perpetual calendar display system.
The watch integrates classic Royal Oak design elements with a blue dial finish and stainless steel case construction, offering a balanced combination of sporty character and refined elegance.
It displays full perpetual calendar functions, including day, date, month, week, moon phase, and leap year indication, presented in a structured and symmetrical dial layout.
A refined timepiece that emphasizes both mechanical complexity and visual harmony within the Royal Oak design language.




