18K yellow gold Jaeger LeCoultre Memovox, Ref. 73800-21, made in the late 1960's is a rare center seconds, water resistant, tonneau-shaped, self-winding, 18K yellow gold wristwatch, with date, and alarm. The 42mm x 43mm case has a crown at 2 o'clock to activate the central revolving alarm dial, and hooded lugs. The two-tone yellow dial features applied yellow gold and black baton indexes, luminous dots, applied yellow gold JLC logo at 9, inner revolving disc for the alarm, outer minute/seconds division, aperture for the date. and yellow gold and black baton hands. The movement is calibre 916, 14''', 17 jewels, automatic, warrantied by Aaron Faber for 18 months.