Seamaster Aqua Terra 150M Omega Co‑Axial Master Chronometer Ladies' 38 mm

Name: Aqua Terra 150M Omega Co‑Axial Master Chronometer Ladies' 38 mm
Brand: OMEGA
SKU: 220.58.38.20.55.001

Sedna™ gold on leather strap

220.58.38.20.55.001

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Description

Encircled by diamonds, the ladies' Seamaster Aqua Terra is the true definition of elegance.

With a symmetrical 38 mm case, this 18K Sedna™ gold model features a white pearled mother-of-pearl dial with a date window at 6 o’clock and 11 diamond indexes in 18K Sedna™ gold holders.

The bezel is diamond-set and the watch is presented on a taupe-brown leather strap with a polished foldover clasp. Driven by the OMEGA Co-Axial Master Chronometer calibre 8801, this wristwatch is certified at the industry’s highest standard by the Swiss Federal Institute of Metrology (METAS).

5-Year Warranty

All OMEGA watches are delivered with a 5-year warranty that covers the repair of any material or manufacturing defects. Please refer to the operating instructions for specific information about the warranty conditions and restrictions.

Features

Anti‑magnetic

Anti-magnetic Anti-magnetic

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

Chronometer Chronometer

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

Date Date

The day of the month, displayed in a window on a watch dial typically at the 3 o'clock or 6 o'clock position.
Diamonds

Diamonds Diamonds

The hardest, most luminous precious stone whose value is calculated according to the 4C criteria: Cut - Carat - Clarity - Color.
Transparent case back

Transparent case back 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: 19 mm
Bracelet: leather strap
Case: Sedna™ gold
Case diameter: 38 mm
Dial colour: White
Crystal: Domed scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
Water resistance: 15 bar (150 metres / 500 feet)

The advantages of this watch

Behind the elegance of every Master Chronometer timepiece is the highest level of testing: 8 tests over 10 days, to ensure superior precision and magnetic resistance. We’ve raised our standards. You can too.

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Twice as precise as any officially certified chronometer

Our Master Chronometer watches are tested and certified twice. Firstly, the movement is tested by the Official Swiss Chronometer Control (COSC) with precision criteria of -4/+6 seconds per day. Then the complete watch and its movement undergo eight Master Chronometer tests set by the Swiss Federal Institute of Metrology (METAS) with criteria of 0/+5 seconds per day.

Proprietary anti-magnetic materials

Everyday items such as mobile phones, metal clasps on handbags, laptops, MRI, induction hobs or automatic doors; subject a watch to magnetic fields and can affect its performance for good. To prevent the risk of permanent deviations of up to several minutes a day we've conceived movements with antimagnetic materials, such as the silicone balance spring, capable of withstanding the highest fields.

Extended service intervals

Each Master Chronometer is equipped with a Co-Axial escapement, conceived to reduce the mechanical constraints inside the movement. This significantly reduces the need for lubrication and hence the need for servicing. All mechanical movements need to be serviced periodically, but an OMEGA Master Chronometer offers more time between servicing than many other watches.

Shock-resistance

A selection of test watches face shock-resistance examinations that are equivalent to 5,000 g (1 g is equal to the force of gravity at the Earth's surface) to ensure our complex mechanical mechanisms are also extraordinarily robust. Not just for everyday use but for active sports such as golf and sailing.

Water-resistance

To ensure the integrity of our timepieces at depth, not just some but all watches are fully immersed in water and pressure is applied up to the point of the guaranteed water resistance. By submerging each watch in water we have chosen – yet again - to exceed normal testing standards.

Durability

Our watches are engineered to the highest standards and certified as such. Each watch destined to become a Master Chronometer must first pass 8 stringent tests. The examinations we perform for precision, magnetic-resistance, power reserve and water-resistance allow us to cover the certified watches with a comprehensive 5-year warranty.

A new look for your watch

Your watch and strap should go together perfectly, but that doesn't mean you can't experiment with different combinations. Why not mix things up and see what happens? You may discover a look that's as individual as you are.

Choose a strap

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Seamaster Aqua Terra 150M Aqua Terra 150M Omega Co‑Axial Master Chronometer Ladies' 38 mm Watch - 220.58.38.20.55.001

Movement

CALIBRE OMEGA 8801

Self-winding movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free sprung-balance with silicon balance spring, automatic winding in both directions. 18K Sedna™ gold balance bridge and oscillating weight with Geneva waves in arabesque.