Andreas Osten Andreas Osten Watch AOS18039 AOS18039 is a beautiful and attractive Ladies watch. Material of the case is Base metal while the dial colour is White. In regards to the water resistance, the watch has got a resistancy up to 30 metres. It means it can be worn in scenarios where it is likely to be splashed but not immersed in water. It can be worn while washing your hands and will be fine in rain. We ship it with an original box and a guarantee from the manufacturer.