- 行业: Fashion
- Number of terms: 4881
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Pure gold is 24 Karat, which is too soft for gold jewelry. By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.
Industry:Jewelry
An instrument on the watch that measures time and distance to determine speed. Tachymeters are typically used to measure high rates of speed.
Industry:Jewelry
A watch whose timekeeping has been tested and certified for maximum accuracy according to standards set by the Swiss Official Chronometer Control (Contrôle Officiel Suisse des Chronomètres or C.O.S.C.).
Industry:Jewelry
One of the 4Cs that measures the amount of body color (tint) in a diamond on a scale from colorless to yellow/brown or gray.
Industry:Jewelry
A form of the mineral, corundum, that comes in every color except red. Sapphires and rubies are the second hardest minerals, (diamonds are the hardest). Sapphire is the birthstone of September and the traditional gift for the 5th, 23rd and 45th wedding anniversaries.
Industry:Jewelry
Seiko Kinetic is the first and only quartz watch powered by human energy. It runs entirely on self-generated energy from the natural movement of the wrist, so the Kinetic watch never needs a battery change.
Industry:Jewelry
The abbreviation for millimeter; our standard unit of measurement for jewelry dimensions. For an approximate conversion to inches.
Industry:Jewelry
In jewelry that has more than one diamond, the clarity may vary from one stone to the next. All of the diamonds in that piece have a clarity equal to or better than the minimum clarity rating given. Diamond clarity is one of the 4Cs. It measures the amount/absence of inclusions in and blemishes on a diamond. Clarity ranges from flawless to included/imperfect.
Industry:Jewelry
10 Karat gold (10K) is 10 parts pure gold and 14 parts other metal alloys. By combining with copper and silver, yellow gold retains a rich yellow color while increasing its durability.
Industry:Jewelry
A popular jewelry metal, especially for wedding bands and watches. Titanium weighs 1/3 less than gold, but is extremely strong.
Industry:Jewelry
