The World on Your Wrist

From Oscar Waldan

Courtesy of Oscar Waldan

This is the World Time Chronometer.

40 mm of yellow gold.  This is special!  Here are the details, straight from the source -

Functions

Hours, minutes, seconds, 24 time zones around the world.

Movement

21 jewel Chronometre Certified movement; 28,800 vibrations per hour; glucydur balance; flat self compensating Nivarox hairspring; 38 hour power reserve; adjusted in 5 positions, temperature and isochronism; bi-directional ball bearing mounted, Geneve striped rotor signed Waldan International; decorated bridges; highly polished screws; incabloc shock absorption. 25.6mm diameter, 11 ½ ligne; 4.1mm thick.

Case

Two piece massive 18K Yellow Gold. 40mm diameter. 18K screw-down back or 18K sapphire display back. Two step fluted bezel. Knurled 18K crown at 3 o’clock. Local time 12 hour engraved enameled Arabic numerals on outer bezel. Fluted lugs, width 19mm. Contoured sapphire crystal. Water resistant.

Dial

Applied enamel. Black outer rim with gold applied 24 hour numerals.

Gold or ivory center disk with 24 time zone cities as follows:
Geneva (Switzerland); Cairo (Egypt); Baghdad; Mauritius; Bombay; Calcutta; Bangkok; Shanghai; Tokyo (Japan); Sydney (Australia); Noumea; Auckland; Midway Island; Honolulu (Hawaii); Juneau (Alaska); San Francisco (California-USA); Denver (Colorado-USA); Mexico City (Mexico); New York (New York-USA); Baires; Rio De Janeiro; Azores; Dakar; and London (England-UK).
Dial signed.