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OMEGA constellation deville seamaster speedmaster specialities

Speedmaster Anniversary Series 44.25 mm, steel on steel

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The OMEGA Speedmaster is one of OMEGA’s most iconic timepieces. Having been a part of all six lunar missions, the legendary Speedmaster is an impressive representation of the brand’s adventurous pioneering spirit.

This model is a Limited Edition of 357 pieces and features a black ceramic dial covered by a scratch-resistant sapphire crystal and graced by a small seconds sub-dial, 30-minute recorder and 12-hour recorder along with central chronograph and split-seconds hands. There is a date window at the 6 o’clock position.

The black ceramic bezel, with its tachymetric scale, is mounted on a 44.25 mm stainless steel case and presented on a stainless steel bracelet. At the heart of this timepiece is the Co-Axial calibre 3612, visible through the transparent caseback.

Reference
311.30.44.51.01.001
Between lugs
21 mm
Case diameter
44.25 mm
Case
Steel
Dial colour
Black
Crystal
Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Water resistance
10 bar (100 metres / 330 feet)
Watch size
Gents
Total product weight (approx.)
187 g
Calibre
Omega 3612
Movement Type
Self winding
Power reserve
52 hours
Material
Steel
Product sheet

Key materials

  • Material - Stainless Steel

    Stainless Steel

  • Material - Sapphire Crystal

    Sapphire Crystal

Stainless Steel

Stainless steel is certainly the most conventional of watchmaking materials for outer craftsmanship, and offers beauty, strength and affordability. OMEGA uses 316L stainless steel. Known for its corrosion-resistance and high lustre after polishing, this material is often the ideal choice for watches in both daily-use and high-stress situations such as diving and adventure.

Sapphire Crystal

To really appreciate the finer details of a timepiece, OMEGA uses synthetic sapphire crystal with a highly scratch-resistant and anti-reflective treatment. Before the machining and finishing processes take place, the sapphire crystals are produced under the Verneuil process, also called flame fusion. It involves the melting of the raw substance using oxyhydrogen flame and the crystallisation of the melted droplets to form a cylinder. Graded 9 on the Mohs-hardness scale (graded 1-10), the resulting sapphire crystals are virtually scratch-proof and very hard, ensuring an unhindered vision at all times.

The advantages
of this watch

At the heart of this timepiece is the Co-Axial escapement, a revolution in watchmaking when first introduced. The reduced stress on the moving parts means less need for lubrication, longer-lasting accuracy and a more stable power reserve rate. In short, this timepiece performs better for longer.