Presented in attractive plush leather-like case, this is a clever watch for your musician! Numbers are replaced with major key roots a 4th apart, in clockwise order. It's received very high praises from music theory teachers, musicologists and music students. Each watch includes music theory guide which explains notes, steps and the circles of fourths and fifths. Handsome, water resistant, limited lifetime warranty. five microns of gold plating, thin case, upgraded quartz movement, scratch resistant crystal, stainless steel back and a luxurious leather strap. Available in ladies or a man's size which is a larger watch but same price. Please select your preference when you add to cart.