The Omega Speedmaster Moonwatch Calibre 321 Goes Full Platinum: The Endgame Speedy

The Moonwatch Enters the Six-Digit League

In early 2019, Omega announced the comeback of the legendary Calibre 321 — a faithful recreation of the movement that powered the brand's iconic Speedmaster from its introduction in 1957 until around 1968. Now, Omega has silently released what many consider the ultimate Speedmaster: a full platinum edition fitted with a matching platinum bracelet.

Previously, the most expensive "classic" Speedmaster was the Speedmaster Calibre 321 in platinum on a leather strap, first introduced in 2019. But the venerable space chronograph has now broken the glass ceiling with reference 311.90.42.30.99.002 — a six-digit endgame Speedy that pairs the original platinum case with an entirely new flat-link platinum bracelet.

What Makes This Speedmaster Different

The watch head remains identical to the existing platinum 321: a classic 42mm asymmetrical Moonwatch case with lyre lugs, crafted from a special Pt950Au20 platinum alloy with gold inside. The fixed bezel features black ceramic with a white enamel tachymeter scale, while the dial retains its black onyx base and three sub-dials crafted from grey lunar meteorite. Hands, applied markers, and the vintage Omega logo are fashioned from 18k polished white gold.

The real novelty lies in the bracelet. Unlike the traditional Nixon-style bracelet found on steel Moonwatches, this platinum edition features a flat-link design — also in Pt950Au20 — giving the watch a distinctly different wrist presence.

The Historic Calibre 321 Movement

Inside beats a superb recreation of the Calibre 321, a 1-to-1 reproduction of the historic calibre featuring a column-wheel and horizontal clutch architecture. While maintaining the same slow 2.5Hz frequency as the original, Omega has upgraded the power reserve to 55 hours. The movement is coated in Sedna gold PVD to mimic the look of vintage calibres, with finishing that exceeds the modern Co-Axial calibre 3861 found in standard Moonwatches.

Technical Specifications

Pricing and Positioning

The full-platinum Speedmaster Calibre 321 is priced at EUR 106,600 (including taxes), CHF 91,900 (including taxes), or USD 96,900 (excluding taxes). While still well below the crazy Speedmaster Chrono Chime at EUR 578,500, this represents the highest price point for a "classic" Speedmaster configuration.

With its luxurious case and bracelet, dial made from hardstone with lunar meteorite inclusions, and arguably the most fascinating chronograph movement Omega currently produces, this feels like the endgame Speedmaster — the ultimate evolution of a watch that started life as an instrument for pilots and became the first watch worn on the Moon.

FAQ

What is the Calibre 321?

The Calibre 321 is Omega's faithful recreation of the original chronograph movement that powered the Speedmaster from 1957 to approximately 1968. It features a column-wheel architecture and horizontal clutch, and was reintroduced by Omega in 2019 with a 1-to-1 reproduction of the historic calibre.

How does the platinum bracelet differ from standard Moonwatch bracelets?

The platinum edition uses a flat-link design rather than the traditional Nixon-style bracelet found on steel Moonwatches. Both the case and bracelet are crafted from the same Pt950Au20 platinum alloy.

Is this a limited edition?

Omega has not announced production limits for the full-platinum Speedmaster Calibre 321. It appears to be a regular production model, though the extremely high price point will naturally limit availability.

Source: Monochrome Watches — "This Silently Released Full-Platinum Omega Speedmaster 321 is a 6-Digit Endgame Speedy" (February 10, 2025)

Related: Omega Speedmaster Collection Guide | Luxury Watch Buying Guide 2025