Patent ID: 7854545
Filing Date: 2010-12-21
Classification: G04B

Abstract:
1. A wristwatch comprising: a case enclosing a timepiece movement, the case comprises a front side with a time display, and a back side with a seat and a collar extending around an external circumference of the seat; a stone located inside the seat; a ring located around the collar, the ring has an inner radius which is less than an outer radius of a lower face of the stone so as to hold the stone in place against the seat; the seat and the lower face of the stone are sized and shaped to ensure a perfect fit of the stone inside the seat; and an upper face of the stone is shaped such that the stone extends through the ring of the wristwatch and a plurality of millimeters beyond the ring so that when the wristwatch is worn the stone comes into contact with skin of a wearer of the wristwatch.