Luminox

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  • Source eBay UK
Valjoux Field Chronograph 1860 Series Luminox Luminox’s battery-operated quartz watches are well-known, the Valjoux Field Chronograph is an example of the company’s recent expansion into automatic mechanical movements. Every swing of your arm energizes the Swiss-made Valjoux 7750 movement by spinning its engine-turned rotor. There’s never a need for a battery. The back of the watch is dominated by a sapphire crystal, which provides a see-through exhibition case so you can study the automatic mechanism. The Valjoux Field Chronograph, lights up using micro gas lights — borosilicate glass capsules, chosen for their resistance to breakage, are filled with radioactive tritium gas. As the tritium decays, it releases electrons, lighting up the hands and hour markers even the bezel becomes visible in darkness. Sorry, I do not have the original box.I bought this watch in January this year at a cost of over $1500..