This rare prototype version of the QM3, model RK quartz electronic master clock by the renowned Patek Philippe has the ability to control numerous auxiliary or "slave" clocks on the firm's Electronic Clock System. Every Patek Philippe electronic clock was made on a special commissioned basis, meaning no two systems are alike. This particular timepiece was created in 1971 for the Precision Instruments firm in the United States. The clock features an analog dial indicating hours and seconds, with switches to adjust seconds, minutes and sync option. Housed in its ionized aluminum and faux wood case, this electronic clock is a fine example of Patek Philippe craftsmanship and precision.
Marked "Patek Philippe" on the dial and case
16 3/4" wide x 9 1/4" deep x 5 1/2" high
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