HB-SIA Co-Axial GMT Chrono

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With the Speedmaster HB-SIA model, OMEGA offers a unique all-rounder. As a chronograph and certified chronometer, it measures time and speed to perfection. The technical equipment at a glance: Sub-dial for small seconds, 30-minute and 12-hour counters; second time zone; black titanium bezel with tachymeter scale; Co-Axial caliber 3603; 52-hour power reserve; water-resistant to 10 bar. The light titanium bracelet completes the men's watch in its optical effect. There are two rubber wristbands to choose from. In bright clear orange, the colour of the strap corresponds to the sparse details of the writing and hands on the dial and bezel. In black, it effectively picks up the colour of the dial. The striking wristband surface resembles a honeycomb construction with size effects, similar to the composite material used in aircraft construction.
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Master of speed & aviation pioneer of the 21st century

The OMEGA Speedmaster series has a triumphant model in a numbered edition. The design is based on the collaboration in the Swiss Solar Impulse project, the circumnavigation of the world by a solar airplane. OMEGA was involved as a supporter with visions and technological know-how. In appreciation of the successful project and the HB-SIA aviation license plate of the same name, the base of the case thematizes a successful color graphic. The Speedmaster HB-SIA chronometer practically replicates the material and design used in aircraft construction. An example of this is the carbon dial similar to the composite outer skin.

OMEGA - always a bit better

The automatic chronograph with column wheel mechanism is based on a Co-Axial escapement with free balance spring and 36 jewels. The 44.25 mm case is made of polished and satin-finished titanium. The crown with side protection shows the manufacturer's logo. The titanium back is screwed and engraved. On the black carbon dial, luminous hands and hour-markers stand out effectively. A date display is between 4 and 5 o'clock. Central chronograph and 24-hour GMT hands with 12-hour and 30-minute counters complete the display. The dial is covered with a scratch-resistant sapphire crystal that is anti-reflective on both sides. The tachymeter scale and chronograph hand show the speed at which a vehicle covers a distance of 1 km. This top-of-the-range watch is equipped with start/stop pushers and zero reset pushers (e.g. reference 321.90.44.52.01.001).

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HB-SIA Co-Axial GMT Chrono

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