APF factory Audemars Piguet Royal Oak Offshore series, the steel belt version of the cappi

APF factory Audemars Piguet Royal Oak Offshore series, the steel belt version of the capping work, exclusive original technology to loosen the headband, breaking the barrier that the steel belt on the market cannot loosen the headband, realizing the original process, so that the steel belt can fit the wrist better. Equipped with 3126 chronograph movement.