Omega Seamaster Aqua Terra 150M 38.5mm | 2023 Full Set Silver-white teak-pattern dial with solid 18K rose gold hands and applied indexes . Ref. 231.13.39.21.02.003 – Master Co-Axial Cal. 8500 - Fitted with OEM Bracelet instead of Strap Price : 4890 Offered here is a beautifully proportioned Omega Seamaster Aqua Terra 150M in the highly sought-after 38.5mm case, powered by Omega’s in-house Master Co-Axial Caliber 8500. This example is a 2023 full set, presented in excellent condition. The watch features a silver-white teak-pattern dial with solid 18K rose gold hands and applied indexes, delivering a refined yet sporty aesthetic that defines the Aqua Terra line. Originally delivered on a leather strap, this piece is now fitted with an original Omega stainless steel bracelet, offering superior versatility and everyday wearability. Movement & Technical Highlights At the heart of the watch is the Omega Master Co-Axial Caliber 8500, a major upgrade over earlier ETA-based movements: • In-house automatic movement with twin barrels for improved torque stability • Co-Axial escapement, reducing friction and extending service intervals • Free-sprung balance with silicon balance spring for enhanced precision • 150m water resistance suitable for daily and aquatic use • Display caseback showcasing Omega’s signature Geneva waves in arabesque This generation represents Omega’s transition into fully modern, high-performance movements, setting the foundation for today’s METAS-certified calibers. Condition & Set Details • Excellent overall condition • Full set: old-style Omega wooden presentation box, booklet, and two cards dated 2023 • Original leather strap no longer present; watch comes fitted with OEM Omega bracelet • Clean crystal, sharp case lines, and well-preserved bracelet Key Details • Case size: 38.5mm • Reference: 231.13.39.21.02.003 • Movement: Omega Master Co-Axial Cal. 8500 • Dial: Silver-white teak pattern • Hands & indexes: 18K rose gold • Bracelet: OEM Omega stainless steel • Water resistance: 150 meters A timeless, technically advanced Aqua Terra in the ideal size—equally suited for dress or daily wear. A strong example of Omega’s Master Co-Axial era and a superb addition to any collection.