Speedmaster Sapphire Sandwich

The Omega Speedmaster Sapphire Sandwich offers a modern take on the legendary Moonwatch, pairing the classic 42mm case and hesalite-fronted silhouette with a sapphire crystal on both the front and caseback. This configuration lets you admire the manually wound Caliber 3861—a METAS-certified, co-axial movement that updates the original chronograph with hacking seconds and superior magnetic resistance. Collectors are drawn to this variant for its blend of heritage aesthetics and contemporary watchmaking, making it a sought-after choice for those who want the Moonwatch experience with a display back.

The key reference to look for is 310.30.42.50.01.002. This distinguishes the Sapphire Sandwich from the more traditional hesalite-only version (310.30.42.50.01.001), which lacks the sapphire display back and features a different dial treatment. Price differences between these two primarily reflect the use of sapphire crystal, the exhibition caseback, and subtle dial details—applied Omega logo on the sapphire, printed logo on hesalite. Expect the Sapphire Sandwich to command a premium, especially for full sets with box and papers.

When shopping, check that the watch includes its original bracelet, as Omega’s modern Speedmaster bracelets are highly regarded and add value. Water resistance is rated at 50 meters, which is ample for daily wear but not intended for swimming. The Sapphire Sandwich’s unique position—bridging vintage appeal and modern durability—makes it a compelling buy for those who appreciate both the legacy and the latest technical advancements of the Speedmaster line.