I have this clock now a little over 2 years and I must say it is simple, reliable and timeless! the glass is scratch resistant and despite several swimming pool and visit several showers it is still waterproof. the automatic way you want it and it is always a reliable companion. with the "Pepsi Lünnette" an absolute must have! access and be happy, I also personally find even glass bottom toll makes the a nice look inside the clock possible. who is on reliable quality and an unbeatable price studied, is here at the right address!