Unusual dome ring in 18 kt yellow gold Encloses a miniature mechanical watch of Swiss manufacture, from the Philippe Béguin house (dial diameter 1 cm) A watchmaker and jeweller from Geneva in the first half of the 20th century One may find his signature on many watches/accessories The hand wind mechanical movement has just been completely serviced (3 month warranty) Works perfectly and takes a little over 24 hrs The dome is set with 19 royal blue sapphires Diameter of 2 mm for a weight of 0.03 ct each Total: 0.57 ct Unknown treatment The spring hinge is sturdy and in perfect condition It makes a small clicking sound when the ring is opened Total measurements of the ring are 1.8 x 1.7 cm It has 'V' shaped attachments which seat it perfectly on the finger Antique and rare quality jewellery, in perfect condition Ring size: 54 - 6 3/4 - 17.2 mm Weight: 11 g French and Swiss hallmarks for 18 kt gold Carefully packaged and fast delivery via registered and insured parcel post with tracking