The Calibre uses a Sellita SW300 base with a chronograph module from Dubois Depraz- the DD 2223. The movement is nicely finished, with a Cotes de Geneve
rotor and perlage
finish applied to the plate.
The Calibre 18 is closely related to the Calibre 17 movement, that we profiled last week
. The two modular chronographs share the “same” base movement (ETA 2892 and its clone the Sellita Sw300), but with different chronograph modules.
We’re not sure what the meaning of “18” is, but have heard that when this movement was first planned, it was known as the “Calibre 4 SL”, presumably for “Slimline”.
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