Up for sale is the iconic Omega Speedmaster Moonwatch Professional sapphire sandwich version. The current generation Omega Speedmaster Moonwatch "Sapphire Sandwich" features a robust and elegant 42mm stainless steel case with a sapphire front and display case back, showcasing the updated Caliber 3861 movement with its Co-Axial escapement. Key upgrades include superior magnetic resistance, a Master Chronometer certification by METAS with improved hacking seconds function. While retaining classic design elements like the aluminum tachymeter bezel and step dial, this version offers enhanced durability, accuracy, and visibility of the beautifully finished movement, making it a highly competitive and modern interpretation of the iconic Moonwatch. **Reference: 310.30.42.50.01.002** Case size: 42mm Case thickness: 13.2mm Lug width: 20mm Movement: Hand wound Cal 3861 Power reserve: 50 hours **Condition Notes:** ✔️ Time keeping is excellent without any significant gain or loss. No ding, dent or scratches. **What's Included:** ✔️ Watch with full box and papers. **SOLD!**