About Omega Seamaster Aqua Terra Steel Sedna Gold
The Omega Seamaster Aqua Terra is a sport-elegant line built around a 150-metre water resistance rating and the clean, horizontal-stripe 'teak' dial pattern the collection is historically associated with, designed to bridge nautical utility and refined dress-watch aesthetics. Sedna gold is Omega's proprietary 18-karat rose gold alloy, developed to resist fading and maintain its warm hue over decades, making it a distinguishing material choice that elevates the standard steel Aqua Terra into a two-tone luxury statement. The combination of stainless steel and Sedna gold in references across the 231 and 220 reference families allows buyers to choose from understated accent pieces—where Sedna gold appears only at the bezel or crown—to fully integrated looks with matching Steel Sedna Gold bracelets. The Co-Axial Master Chronometer movement inside every one of these references represents Omega's highest in-house certification tier, developed in collaboration with METAS to guarantee performance in magnetic fields up to 15,000 gauss.
What to Look For
Buyers choosing within this collection should pay close attention to case size and bracelet or strap configuration, as the 30mm and 34mm references skew toward traditionally feminine proportions while the 38mm models offer a more unisex fit, and the choice between a Steel Sedna Gold bracelet and an alligator leather strap meaningfully changes the character of the watch. Dial color and diamond content drive significant value differentiation: white mother-of-pearl dials with diamond-set indices and optional diamond bezels—seen in references such as 231.25.34.20.55.005—command a premium over solid-color dials like the pine green 220.20.30.20.10.002 or the brown 220.20.30.20.63.001, which appeal to buyers seeking a bolder, more contemporary look without gemstone additions.
Frequently Asked Questions
What is Sedna gold and why does Omega use it on the Aqua Terra?
Sedna gold is Omega's proprietary 18-karat rose gold alloy formulated to be more resistant to color fading than conventional rose gold, retaining its warm pinkish-red tone over long-term wear. Omega uses it on the Aqua Terra Steel Sedna Gold collection to create a two-tone aesthetic that is more durable and distinctive than traditional gold applications, and the alloy is exclusive to Omega so you will only find it on Omega watches.
Are the Omega Aqua Terra Steel Sedna Gold watches for sale at Bizak and Co. brand new?
Yes, every Steel Sedna Gold Aqua Terra listed at Bizak and Co. is brand new and has not been previously worn or altered. Each watch comes as-new and Bizak and Co. authenticates all pieces before shipment so buyers can purchase with confidence.
What case sizes are available in the Steel Sedna Gold Aqua Terra collection?
The Steel Sedna Gold Aqua Terra collection currently available at Bizak and Co. spans 30mm, 34mm, and 38mm case sizes, offering options suited to a wide range of wrist sizes and style preferences. The 30mm and 34mm sizes include several models with diamond bezels and mother-of-pearl dials, while the 38mm references include both gemstone-set and clean-dial options such as the linen dial 220.20.38.20.09.001.
Browse also: stainless steel watches.
Buy, trade, or sell. Contact Bizak & Co. for pricing and availability on any reference in this collection.
