Moonwatch Omega Co‑Axial Master Chronometer Moonphase Chronograph 44.25 mm Blue Side Of The Moon
Blue ceramic on leather strap
The Speedmaster is one of OMEGA’s most iconic timepieces, having been a part of all six lunar missions. Celebrating that history, this "Blue Side of the Moon" model takes its name from the colour of the dark blue sky.
The 44.25 mm chronograph features a blue ceramic case complemented by a blue ceramic bezel ring with an OMEGA Ceragold™ tachymeter scale. It is presented on a blue leather strap with a blue ceramic and ceramised titanium foldover clasp.
Most vividly, the dial is blue aventurine glass and includes 18K Sedna™ gold indexes and hands as well as a date hand with red tip. At 6 o'clock is the accurate Moonphase indication, which features a blue enamel aventurine glass Moonphase disc (patent pending) with near and far sides of the moon in Sedna™ gold.
Powering the timepiece is the OMEGA Master Chronometer Calibre 9904, certified at the industry’s highest standard by the Swiss Federal Institute of Metrology (METAS).
The movement is unaffected by exposure to strong magnetic fields, even those greater than 1.5 tesla (15,000 gauss).
Ceragold is the result of a process that allows the incrustation of 18K gold into a ceramic bezel. The bezels made of ceramic and the Ceragold are perfectly smooth to the touch.
Complicated watch with a function for measuring short time periods in addition to its function for permanently displaying hours, minutes and seconds.
Label given to a watch which has undergone precision tests and received a certificate from an official body (COSC).
Moonphase MoonphaseA function which tracks the phases of the moon. One lunar cycle is 29 days, 12 hours, 44 minutes and 2.8 seconds and includes four phases: new moon, first quarter, full moon, last quarter.
Small seconds Small seconds
A hand on a sub-dial which tracks seconds typically it completes a full rotation in one minute.
A tachymeter is an instrument for measuring speed. It is a chronograph with a graduated dial on which speed can be read off in kilometres per hour based on 1000 metres distance.
Transparent case back Transparent case backA transparent case back - frequently made of sapphire - makes it possible to see the movement inside the watch.
- Between lugs: 21 mm
- Bracelet: leather strap
- Case: Blue ceramic
- Case diameter: 44.25 mm
- Dial colour: Blue
- Crystal: Scratch‑resistant sapphire crystal with anti‑reflective treatment on both sides
- Water resistance: 5 bar (50 metres / 167 feet)
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.
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.
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
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.
CALIBRE OMEGA 9904
Self-winding chronograph with column wheel and Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Silicon balance-spring, 2 barrels mounted in series. Central hour, minute and chronograph seconds hands, small seconds hand, date indication by hand, 12-hour and 60-minute recorders and moonphase indication. Rhodium plated finish with Geneva waves in arabesque.
- 60 hours
- Self winding
Find a store
Order a Catalogue
Get the latest edition of our official Omega catalogue "The Collection".