Omega Speedmaster Moonwatch Professional 3861 Hesalite 310.30.42.50.01.001 2021 [Preowned]

Overview 

For over five decades, the Speedmaster Professional was defined by its refusal to change. From the 861 to the 1861, the architecture remained functionally conservative. The introduction of the Calibre 3861 in 2021 ended that lineage. By integrating the Co-Axial escapement and a silicon balance spring, Omega didn't just update the movement; they solved the "friction problem" that had dictated Speedmaster service intervals since 1968. The 3861 delivers a level of chronometric stability (METAS certified to -0/+5 seconds) and magnetic resistance (15,000 gauss) that makes it a viable daily wearer in a modern, tech-heavy environment — a claim the older 1861 struggled to support.

In the Speedmaster community, the "Hesalite vs. Sapphire" debate is one of priorities. The Hesalite variant features the "step dial" and the fully brushed bracelet, leaning into the utilitarian flight-spec aesthetic. Unlike the "Sapphire Sandwich," which offers a view of the movement at the cost of the "milky ring" around the dial perimeter, the Hesalite remains visually seamless.

The 310.30.42.50.01.001 currently occupies a unique position in the secondary market. Because Omega maintains high production volumes, the speculative "waitlist" premium seen in other brands is absent here. This results in a rationalized secondary price. At RM22,000 for a 2021 set, the buyer is entering the current-generation Moonwatch at a price floor that has historically shown strong support. It is the most "intellectually honest" buy in this price bracket.

Specifications

Brand :	Omega
Model Name :	Speedmaster Moonwatch Professional Co-Axial
Reference :	310.30.42.50.01.001
Material	Steel
Movement :	Calibre 3861 50hours PR
Case Diameter :	42mm
Bracelet / Strap :	Steel bracelet
Features :	50m depth rating.

 

Condition

Preowned, Excellent Condition, Complete Original Box and Papers dated April 2021.

Warranty

5 years original manufacturer warranty. 

 

Further Insight from Our Specialist Team

Read our Full Review here : Omega Speedmasters: 3861 White Dial vs. Caliber 321 Ed White - The Battle of Modernity and Heritage

Watch our Video Review Here :