Case in 18k rose gold, cambered ovoid with delicately fluted caseband. Bezel, dial flange and lug set with 139 brilliant-cut diamonds (approx. 1.255 ct). Crown set with a briolette diamond (approx. 0.26 ct). Sapphire-crystal caseback. Dimensions 33 x 24.95mm. Water-resistant to 3 bar (30m).
Dial in natural white mother-of-pearl. Individually numbered and signed Breguet. Hours chapter with Arabic Breguet numerals offset at 6 o’clock. Breguet open-tipped hands in blued steel. Self-winding movement, Cal. 586/1. Numbered and signed Breguet. 63/4 lignes. 29 jewels. 38-hour power reserve. Inverted in-line lever escapement with silicon pallets. Balance spring in silicon. Balance frequency 3Hz. Adjusted in 6 positions.