Important Modern and Vintage Timepieces.
Geneva, Nov 13, 2010
Mido ? Vacuum Aparatus Mido, ?Multifort Superautomatic?, No. 04321. Made in the 1960s. Vacuum tank apparatus for checking the water-resistance of waterproof watches.
The chamber is filled with distilled water. The plunger creates a vacuum, thus drawing air from the inside of the watch. Escaping air bubbles indicate the exact location of the potential leak, pressure gauge calibrated from 0-57 ibs per square inch. Dim. 26 x 19 x 12.5 cm. In very good condition, may be in need of service