A gilt brass 'Atmos' timepiece, Jaeger-LeCoultre, 1970s, the single train movement wound via the expansion and contraction of an aneroid chamber mounted to the rear of the mechanism and regulated by torsion escapement with rotating balance suspended at the base of the movement and numbered 395987 to suspension platform, the circular gilt on white baton numeral chapter ring with Arabic quarters enclosing motionwork inscribed, SWISS MADE, the rectangular five-glass case with canted angles and pin-hinged front door over plinth base, the door inscribed, JAEGER LECOULTRE, 22.5cm high Provenance: Private Collection, Berkshire