Omega Aqua Terra 150M Co-Axial Master Chronometer GMT Worldtimer 43 mm Blue Dial (220.12.43.22.03.001)

Description

This 43 mm Worldtimer model includes a polished case in stainless steel which is integrated with the structured blue rubber strap via a solid polished link.

The exterior section of the dial is sun-brushed blue and includes vertical teak stripes and a circle of global destinations printed in red (GMT), silvery (+1h in summer) and blue (places without daylight savings).

The centre of the dial contains a 24-hour glass ring, with light blue to indicate daytime and dark blue to indicate night. The vision of Earth is created on a grade 5 titanium plate. This has been laser-ablated to create the blue ocean, leaving a relief of the continents. The contrasting colours of the Earth’s surface are obtained naturally by the laser’s chemical reaction.

Inside, the Worldtimer is driven by the Master Chronometer Calibre 8938.

Features

• Anti‑magnetic

  The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).

• Chronometer

  Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).

• Date

  The day of the month, displayed in a window on a watch dial at the 3 or 6 o’clock position, or within a subdial at 9 o’clock.

• Master Chronometer Certified

  Guaranteeing the Swiss industry’s highest standard of precision, performance and magnetic-resistance, as set by the Swiss Federal Institute of Metrology (METAS).

• Screw‑in crown

  Self-locking crown, screwed into the tube of the case, used for highly water resistant divers’ watches.

• Time zone function

  Allows the hour hand to be easily adjusted to different time zones without stopping the watch.

• Transparent case back

  A transparent case back – frequently made of sapphire – makes it possible to see the movement inside the watch.

Technical Data

• Between lugs: 21mm
• Bracelet: rubber strap
• Case: Steel
• Case diameter: 43mm
• Dial color: Blue
• Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
• Water resistance: 15 bar (150metres / 500 feet)
• Movement type: Self winding

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