seamaster
Seamaster Aqua Terra 150M Omega Master Co‑Axial Ladies' 38.5 mm 231.18.39.21.55.001
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Steel on leather strap
231.18.39.21.55.001
Description
Equipped with one of the world’s most advanced mechanical movement, the Seamaster Aqua Terra 150M Master Co-Axial is stylish, sporty and prepared for an active lifestyle. This luxurious model features a pearled white mother-of-pearl dial with 11 diamond indexes and a date window at 6 o'clock.
This 38.5 mm stainless steel ladies' wristwatch, with its diamond-set bezel, is presented on a white leather strap. At its heart is the revolutionary OMEGA Master Co-Axial calibre 8500, a movement that can resist magnetic fields greater than 15,000 gauss.
Features
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Anti-magnetic Anti-magnetic
The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).
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Chronometer Chronometer
Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
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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.
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Diamonds Diamonds
The hardest, most luminous precious stone whose value is calculated according to the 4C criteria: Cut - Carat - Clarity - Color. -
Screw-in crown Screw-in crown
Self-locking crown, screwed into the tube of the case, used for highly water resistant divers' watches.
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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: Steel
- 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)
Swiss Made
OMEGA is proud to include the Swiss Made mark on all of its watches. This simple wording guarantees a standard of quality that has been established over many centuries and is today a world-renowned symbol of excellence.
Every part of an OMEGA watch is made in Switzerland, which goes far beyond the industry’s required standard. This means that the manufacturing levels as well as the aesthetic and technical levels meet Switzerland’s highest demands.
On top of OMEGA’s own proven excellence, the Swiss Made mark provides customers with even more assurance and trust in the watch they wear on their wrist.
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.
Secure Payment
OMEGA pays attention to online security.
We take the privacy and security of your payment and personal details very seriously. We use SSL encryption technology for online transactions to protect your card information.
The following methods of payment are available: VISA, AMEX, MASTERCARD, MAESTRO, CHINA UNION PAY AND PAYPAL.
OMEGA processes payments via Datatrans.
Free Delivery and Returns
Free UK Delivery
• Delivered in 2-5 working days (excludes weekend delivery).
• A signature will be required on delivery for all orders.
• Our UK delivery service is operated by DHL.
Free UK Returns
• Within 14 days in original condition.
• Please Sign In to your MyOMEGA account and follow our Return Instructions.
• If you do not have an account, you can request and manage your return here.
For more information please see our Delivery & Returns Policy.
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.


CALIBER OMEGA 8500

Self-winding movement with Co-Axial escapement. Free sprung-balance, 2 barrels mounted in series, automatic winding in both directions. Bridges and the oscillating mass are decorated with exclusive Geneva waves in arabesque.
- 60 hours
- Self winding


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