Sorry for the delayed answer, as Mike already mentioned due to Munichtime I didn't had the chance to answer earlier...
Had a look in our documents and found the following specifications:
reference 861463, quartz chronograph
stainless steel case satin finished, diameter 42 mm, height 13 mm,
domed saphire crystal (non refelcting), water resistant up to 5 ATM,
display of hour, minute, small seconds, date and chronograph,
swiss quartz movement and brown calf leather strap
The price difference to our current quartz models results from different points like the movement (here swiss movement, our current quartz models Miyota movements) or the crystal (here: sapphire crystal, current models mineral crystal).
Hope that information helps you ;-)
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