I found 'Bulgari Tourbillon Sapphire Time Piece - strictly limited edition. Faceted rhodium plated white gold with transparent sapphire crystal case back Black alligator strap with white gold 3 blades folding buckle' on Wish, check it out!
Cut legs A & rails B, C to size. Cut hand hole & mortises for hinges in back rail. Cut half lap joints in legs & rails. Lay assembly on bench & clamp swing-leg assemblies on top in open position. Make sure top edges & outside faces of swing-leg rails