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La Souveraine
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MATY – SWITZERLAND, “Fortis Easy-Math” watch with a steel to…
See original version (French)
7
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MATY – SWITZERLAND, “Fortis Easy-Math” watch with a steel to…
See original version (French)
Estimate
€80 - €120
Voluntary lot
Description
MATY – SWITZERLAND, “Fortis Easy-Math” watch with a steel tonneau-shaped case, blue dial, graduated ring with a cream background, rotating inner bezel with a logarithmic scale (circular slide rule), upper crystal engraved with a compass rose and a 60-minute chronometric scale, twin winding crowns (one for setting the time and winding the movement, the other operating the rotating inner bezel and the superimposed compass glass), screw-down case back, hand-wound mechanical movement, calibre FHF/ST 96, circa 1965–1975, later period strap – approx. 37 mm diameter (signs of wear, movement requires servicing, no guarantee of operation)
See original version (French)
Auto-translation. Refer to original language for legal validity.
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