Abstract: Some implementations can include a wristwatch comprising a case having a bezel, and a plurality of semispherical recesses formed in a facial surface of the bezel. The wristwatch can include a plurality of spherical elements, wherein each spherical element is disposed in a respective semispherical recess, and a plurality of inner false prongs formed on the bezel and disposed along an inner circumference of the bezel between pairs of semispherical recesses. The wristwatch can further include a plurality of outer false prongs formed on the bezel and disposed along an outer circumference of the bezel between pairs of semispherical recesses and in radial alignment with corresponding inner false prongs.