Ballon Bleu de Cartier watch Grand Seiko a low-power IC with environmental

a low-power IC with environmental compensation

steel beaded crown set with a blue synthetic cabochon-shaped spinel

more than thirty layers of varnish

which beats 10 times per second to provide a more stable precision by reducing variations in rate

Ballon Bleu de Cartier watch Grand Seiko a low-power IC with environmentalBallon Bleu de Cartier watch, 42 mm, mechanical movement with automatic winding. Steel case, fluted crown decorated with a synthetic spinel cabochon, silvered guilloch dial, Roman numerals, blued steel sword shaped hands, sapphire crystal, alligator skin strap with double adjustable folding steel buckle, calendar aperture at 3 o'clock. Case dimensions: diameter: 42. 1 mm, thickness: 13 mm. Water resistant to 3 bar (approx. 30 meters 100 feet).