Omega's "Most Important" Speedmaster

The Omega 321 manual chronograph movement, the Omega version of the Lemania 2310 movement, is the most famous manual chronograph movement in the entire watch world. This manual chronograph movement was jointly developed by the Omega and Lemania movement factories in the 1940s under the code 27 CHRO C12 (meaning a 27 mm chronograph movement) and was launched in 1942. Lemania number Lemania 2310, Omega number 321.

The Omega 321 manual chronograph movement is a hand-wound movement that combines durability and beauty. Use the most traditional cylindrical wheel, horizontal clutch structure. The Y-shaped splint with fixed chronograph seconds wheel and chronograph minute wheel has very high recognition. Various levers, splints, and gears are intertwined and have a strong ornamental effect.

In the history of Omega, there are 4 generations of the replica Omega Speedmaster, and the Omega Steel Shell 321 Lunar Speedmaster adopts the appearance of the third generation of Lunar Speedmaster in history. Omega Steel 321 Speedmaster, while adopting the appearance of the third-generation moon landing Speedmaster in history, has also been modernized. The steel case 321 moon landing super speed, the size is 39.7 mm, the size is very suitable. A ceramic bezel is used, which uses enamel-filled digital scales. The bezel and scale are guaranteed to be durable, scratch-resistant and not faded. The face uses a three-dimensional Omega logo, and under the logo are two lines of OMEGA and Speedmaster printing, which are consistent with the historical models. At the same time, the luminous part of the watch hands and hour markers uses a yellowing effect. Through the watch's transparent case back, you can enjoy the 321 manual chronograph movement. It is worth noting that Omega also gold-plated the clutch gear splint of the 321 movement to restore the historical style (using Omega Moonshine "Moonlight" gold). The gold clutch plywood is distinguished from the bronze main plywood. The copper-colored main plywood and polishing are also highly consistent with the historical Omega 321 movement.