A gentleman's steel and gilt automatic Constellation chronometer wristwatch, 1950's,

細節
A gentleman's steel and gilt automatic Constellation chronometer wristwatch, 1950's,
black dial with gilt markers, dauphine hands, sweep centre seconds, 17-jewel Cal.354 gilt self-winding movement adjusted to five positions and temperatures, micrometer adjustment to the regulator, buffered rotor, gilt case with screw back, dial, movement and case signed, 34mm.