The Speedmaster HB-SIA GMT
The sun will show us the way!

The Solar Impulse project has the ambitious aim of flying around the Earth in a plane powered only by energy from the sun. OMEGA is proud to be a Main Partner and has been able to provide not only capital support but some key technology that has contributed to Solar Impulse’s success at every stage of the project’s evolution. This watch celebrates our participation in a critical adventure.

The OMEGA Speedmaster HB-SIA GMT was inspired by and created in honour of the Solar Impulse project whose ambition is to circumnavigate the globe in an airplane powered only by the sun.

The Solar Impulse prototype, which is referred to by its registration number, HB-SIA (Hotel Bravo Solar Impulse Alpha), has validated the plane’s innovative construction technologies and procedures. It reached a number of milestones and paved the way for the development of its successor which will ultimately take its pilots around the world without depending on fossil fuels.

“Recognising the planet’s urgent need to develop safe, sustainable energy sources, OMEGA is actively participating in the project as one of its Main Partners…”

Recognising the planet’s urgent need to develop safe, sustainable energy sources, OMEGA is actively participating in the project as one of its Main Partners, contributing engineering technology and capital. The Speedmaster HB-SIA GMT salutes the enthusiastic pioneering spirit driving the project.

The watch combines elegant but sporty design with cutting-edge technology. Its dramatic, Speedmaster Professional-influenced dial is made of black carbon fibre similar to the HB-SIA’s composite covering. The three slightly-recessed black chronograph and small seconds counters creatively contribute to the watch’s outstanding legibility. Another detail on the timepiece’s unique dial is the discreet “HB-SIA” appearing in ochre on the dial at 12 o’clock.

The Speedmaster HB-SIA GMT features central hour, minute hand, and chronograph seconds hand. There is also a central GMT hand, with an airplane-shaped pointer, which completes one rotation in 24 hours and can be used to read a second time zone.

The GMT hand can also be used for compass orientation: When the watch’s hour hand is pointed in the direction of the sun, the GMT hand, when it is adjusted to the same time on the 24-hour GMT scale, will indicate north.

The titanium bezel is fixed with a matt black aluminium ring and features the designation “TACHYMETER BASE 1000” in ochre with a tachymeter index.

The 44.25 mm case is fashioned of brushed, polished titanium and is presented either on a matching titanium bracelet or a strap in a choice of black or orange rubber designed especially for the watch. The distinctive, textured finish on the inside of the rubber strap is reminiscent of the Solar Impulse’s carbon fibre-honeycomb composite structure.

The Speedmaster HB-SIA GMT is a numbered edition and its number is engraved on the caseback which also features a colourful, etched Solar Impulse HB-SIA patch.

The watch is powered by the exclusive Omega calibre 3603 whose revolutionary Co-Axial escapement and free sprung balance deliver stable long-term accuracy and reliability and is a COSC-certified chronometer. It is equipped with a sophisticated column-wheel chronograph mechanism.

The Speedmaster HB-SIA GMT is a fitting tribute from a watchmaker renowned for its pioneering spirit to its partner in one of the most significant adventures in the planet’s history. It is a logical step for OMEGA: after the Moon, the sun.

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