The leather strap is worn - it was changed from black but no longer have the black strap or the box or papers - is registered on Cartier and 100% authentic purchased in Switzerland however is now an unwanted gift - worn on and off for 6 months so the case is excellent condition just the strap needs replacing Santos-Dumont watch, large model, high autonomy quartz movement (~ 6 years). Steel case, 18K rose gold (750/1000) bezel, steel beaded crown set with a blue synthetic cabochon-shaped spinel, satin-brushed silver dial with sunray effect, Roman numerals, blued-steel sword-shaped hands, sapphire crystal. Strap in black alligator leather, with steel ardillon buckle. Case dimensions: 43.5 mm x 31.4 mm, thickness: 7.3 mm. Water-resistant up to 3 bar (approx. 30 meters/100 feet).
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