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- Crafted and certified in line with our standards since 1840
Seiko Astron GPS Solar 43mm Grey
The Seiko Astron GPS Solar 43mm Grey combines cutting edge satellite technology with a futuristic design inspired by space. The grey dial with its fine grained texture calls to mind the surface of the Moon, framed by a sharp titanium case with a distinctive two layered bezel.
GPS Solar movement
Powered by Seiko's GPS Solar technology, the watch connects to GPS satellites to automatically adjust to the exact local time anywhere in the world, while any light source keeps it charged with no battery change required.
Titanium case and bracelet
The lightweight titanium case and bracelet feature a super hard coating for excellent scratch resistance, making the watch comfortable and durable for everyday wear.
Specifications
Brand: Seiko
Collection: Seiko Astron
Reference: SSJ025J1
Case material: Titanium
Case diameter: 43.0 mm
Dial colour: Grey
Strap: Titanium, silver toned
Movement: GPS Solar
Time display: Analog
Royal Coster Diamonds
Royal Coster Diamonds offers a curated selection of fine watches alongside its diamond and jewelry collections, with each timepiece carefully inspected, securely packaged, and insured during shipment.
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The 4C's
The 4C's of a diamond are the four key characteristics that determine the quality and value of a diamond: cut, carat weight, color, and clarity. Together, these four characteristics are used to evaluate the quality and value of a diamond, and are considered when determining a diamond's price.
Carat
The weight of a diamond is expressed in carats and points (1 ct = 100pt). ‘Carats’ come from ‘Carob’ seeds, which were originally used for their constant weight in nature (1 ct = 0.2 g). The carat and the color are the factors that influence the most the final price of the diamond.
Clarity
The clarity is a gemstone's relative freedom from internal imperfections. These imperfections are observed with a x10 magnifier ('loupe') and affect the final value of the diamond differently.
Color
Diamonds are found in nature in different colors. White diamonds can be more or less yellow and are categorised with a letter between D (commonly known as ‘River’) to Z . The different naming systems vary depending on the certifier. Diamonds are also found in all colors; the rarest colors are classified as Fancy-colored diamonds.
Cut
The cut is the diamond’s shape. A cut grade describes the proportions of the cut and the quality of its symmetry and polish. A perfect cut makes the best sparkle.