Sedna Gold is Omega’s own 18K red-toned gold alloy, made within the Swatch Group. It mixes gold with copper and palladium. Omega says it keeps its colour and shine better over the years than ordinary 18K golds do. Omega uses it for whole watch cases, including all-gold Speedmaster Moonwatch models.
What is Sedna Gold made of?
The exact recipe is a secret. What is known is that it is at least 75% gold, which is what makes it 18K gold. More than 20% of the alloy is copper, and over 1% is palladium. Omega says the copper and palladium give the metal its colour and keep it stable. The palladium is there so that the shine and the red tone last longer. To the eye, a Sedna Gold case looks much like one in standard rose gold.
Does Sedna Gold keep its colour?
Omega claims it does. Unlike ordinary 18K golds, it says, Sedna Gold holds its colour and shine well as the years pass. The claim is Omega’s own, and it covers both the colour of the metal and its shine. When the alloy launched in 2013, the watch site aBlogtoWatch saw it as Omega’s reply to Rolex’s Everose gold.
Where it comes from
The alloy was developed entirely within the Swatch Group, Omega’s parent company. Its name comes from Sedna, an orbiting planetoid in our solar system known for its strong red colour. Sedna Gold first appeared in 2013 in the Constellation Sedna, a limited edition whose size marked the year the first Constellation came out. Omega later used it for the all-gold Speedmaster Moonwatch. It also makes whole cases from it, such as a Speedmaster 38 with a dual bezel.
Not to be confused with
Omega’s Bronze Gold is a different alloy, not a version of Sedna Gold. Its colour falls between Sedna Gold and Moonshine Gold. Sedna Gold is also easy to mistake for standard rose gold. Cases made from its blend of gold, copper and palladium look much like rose gold cases, so the two can be hard to tell apart by eye.
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