Boucheron secret watch in 18k gold, platinum, sapphires and diamonds

Boucheron secret watch in 18k gold and platinum formed by a braided gold bracelet split into two lines of diamonds and sapphires for approximately 2 carats each.
In the center of these two lines, a cover lifts to reveal a dial signed BOUCHERON. Mechanical movement with manual winding signed OMEGA.
French work circa 1960
Signed Boucheron Paris and the letter OMEGA and numbered 81127
Presence of the eagle's head hallmark for 18k gold and the dog's head hallmark for platinum

Bracelet length: 16 cm
Gross weight: 44.71 grams