The Omega Speedmaster 38 has always occupied an interesting position in the Speedmaster family. It offers a more compact case and an automatic movement, but previous versions never looked quite as closely connected to the traditional Moonwatch as some enthusiasts expected.

That changes with the latest update. Omega has introduced seven new Speedmaster 38 references with a cleaner dial layout, round subdials, stronger Moonwatch-inspired bezel proportions and a redesigned bracelet. The result is not simply a smaller Moonwatch, but it is arguably the closest the Speedmaster 38 has come to speaking the same visual language.

For readers following Omega replica watches UK, the new collection also provides a useful reference for understanding which details make a compact Speedmaster-style watch look convincing.

What Has Actually Changed On The Speedmaster 38

The 38mm Speedmaster itself is not new. Omega has offered this case size for years, including the previous generation introduced in 2017.

The important change is the design direction.

Omega has replaced the earlier oval subdials with traditional round counters, reduced the amount of text on the dial and returned to a thicker tachymeter bezel. The bezel also carries the familiar Dot Over Ninety detail associated with classic Speedmaster design.

Those changes make the watch feel more immediately recognisable as part of the wider Speedmaster family.

The Black No Date Version Is The Most Moonwatch Like

Among the seven new references, the black dial model is likely to attract the most attention from traditional Speedmaster enthusiasts.

It uses a matte black dial, white hands and hour markers, a black aluminium tachymeter bezel and no date window. That cleaner layout gives it a visual balance that is much closer to the Speedmaster Professional.

The absence of a date is especially important. On a relatively compact dial, removing the date window allows the chronograph registers and main time display to breathe more naturally.

For anyone interested in a compact Omega Speedmaster with Moonwatch inspired proportions, this is the strongest model in the updated collection.

38mm Sounds Small But The Watch Is Not Especially Thin

The case measures 38mm across with a lug-to-lug length of approximately 44.96mm. Those dimensions should make it easier to wear than the 42mm Moonwatch for people with smaller wrists.

Thickness is the more important figure.

At approximately 14.75mm, the Speedmaster 38 is fairly substantial for its diameter. This is partly a consequence of the automatic chronograph movement inside.

So although the case footprint is compact, buyers should not expect the watch to wear like a thin dress chronograph.

Calibre 3332 Powers The Black No Date Model

The black no-date version is powered by Omega’s self-winding Co-Axial Calibre 3332.

This movement offers a column-wheel chronograph mechanism and around 52 hours of power reserve. It also gives the Speedmaster 38 an important practical advantage over the traditional Moonwatch for people who prefer automatic winding.

That difference changes the character of the watch. The Moonwatch remains closely associated with a manual-wind movement, while the Speedmaster 38 is aimed at buyers who want a more convenient everyday chronograph.

The Other Six Models Use The Calibre 3330

The remaining six references include a date display and use the Co-Axial Calibre 3330.

Omega has used the new collection to introduce a wider range of colours and materials, including white, silvery and ivory dials, Sedna Gold and Moonshine Gold details, and two diamond-set versions.

This gives the collection two distinct personalities.

The black no-date model is the enthusiast-focused choice, while the other references lean more towards luxury, colour and everyday versatility.

The New Bracelet Makes A Bigger Difference Than Expected

All seven references now use a five-link bracelet inspired by the modern Moonwatch bracelet.

This is one of the most successful changes because the bracelet has a major influence on how a Speedmaster feels on the wrist. The new design visually connects the 38mm model with the wider Speedmaster family far more effectively than the previous bracelet.

Readers comparing Omega Speedmaster replica watches UK should pay close attention to bracelet taper, link shape, articulation and clasp construction. These details often have a greater effect on perceived quality than small differences in dial printing.

How The Speedmaster 38 Differs From The Moonwatch

It would be misleading to describe the new Speedmaster 38 as simply a smaller Moonwatch.

The two watches have different movements, different proportions and different personalities.

  • The Speedmaster 38 uses automatic movements.
  • The traditional Moonwatch remains a 42mm manual-wind chronograph.
  • The Speedmaster 38 offers more colours and decorative configurations.
  • The 38mm model is shorter across the wrist but relatively thick for its diameter.
  • The black no-date version is visually the closest to the Moonwatch formula.

That separation is useful because it allows the Speedmaster 38 to appeal to a different type of buyer without becoming a direct substitute for the Professional.

Seven References Give The Collection More Range

Omega has introduced seven updated references in total.

The collection includes steel-on-steel options, bicolour models using Moonshine Gold or Sedna Gold accents, and two diamond-set versions. Omega says the redesign brings the Speedmaster 38 closer to the aesthetic codes of the Moonwatch while retaining its more refined identity.

That description is accurate. The new watches clearly borrow more from the Moonwatch than the previous generation, but they still retain a softer and more versatile personality.

What UK Buyers Should Consider

For UK buyers deciding between the Speedmaster 38 and the Moonwatch, the decision should not come down to diameter alone.

Consider the following points:

  • Wrist size: the shorter 44.96mm lug-to-lug measurement can make the 38 easier to wear.
  • Movement preference: the Speedmaster 38 is automatic, while the Moonwatch is traditionally manual wind.
  • Thickness: the smaller diameter does not mean the watch is especially slim.
  • Dial preference: the black no-date version offers the cleanest Moonwatch-inspired appearance.
  • Style: the wider collection includes much more decorative options than the traditional Speedmaster Professional.

Why This Release Matters For Speedmaster Fans

The most successful aspect of this update is not any single specification. It is the fact that the Speedmaster 38 now feels easier to understand.

The earlier generation occupied an awkward space between a traditional chronograph and a more fashion-led luxury watch. The new design moves closer to the core Speedmaster identity without simply copying the Moonwatch.

Round subdials, a stronger tachymeter bezel, cleaner dial text and the five-link bracelet all contribute to that improvement.

What Replica Watch Buyers Can Learn From The Original

For readers interested in replica or Omega-inspired designs, the original Speedmaster 38 provides several useful reference points.

The most important details are not simply the logo or the case diameter. More meaningful areas to compare include:

  • Subdial position and diameter
  • Tachymeter bezel width
  • Dot Over Ninety placement
  • Case thickness
  • Hand length
  • Bracelet taper
  • Chronograph operation

A watch can have the correct 38mm diameter and still look noticeably wrong if these proportions are not balanced.

That is why Omega Speedmaster replica watch comparisons should focus on the whole design rather than one or two headline specifications.

Final Thoughts

The updated Omega Speedmaster 38 is a more convincing watch than the model it replaces because Omega has simplified the design rather than trying to make it more complicated.

The black no-date reference is the clear standout for traditional Speedmaster fans, while the six date-equipped models provide more colour and luxury options for buyers who want something less conventional.

Most importantly, the new collection finally gives the Speedmaster 38 a clearer identity. It is compact without pretending to be a miniature Moonwatch, automatic without abandoning the core Speedmaster look, and varied enough to appeal to a broader audience.

For UK enthusiasts who like the Moonwatch aesthetic but want a smaller automatic chronograph, the new Speedmaster 38 makes a much stronger case than before.

Written by

Daniel Hughes

Daniel Hughes is an Omega watch writer covering Speedmaster, Seamaster and other iconic collections. He shares research-based articles about Omega designs, features and replica watch trends for UK readers.