Case in 18-carat rose gold with a finely fluted caseband. Sapphire-crystal caseback. 42.5mm diameter. Welded lugs with screw bars. Water resistant to 3 bar (30m).
Dial in 18-carat gold, silvered and engine-turned in four different patterns. Individually numbered and signed BREGUET. Hours chapter with Roman numerals. Small seconds at 9 o'clock and 30 minutes counter at 3 o'clock. Tachometer scale around the hours chapter. Breguet open-tipped hands in polished steel.
Hand-wound chronograph movement. Numbered and signed BREGUET. Cal. 533.3, 12 lignes, 24 jewels. Power reserve of 48 hours. In-line Swiss lever escapement. Breguet balance spring. 3Hz frequency. Adjusted in six positions.
Leather strap with a triple-blade folding clasp.