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Omega Speedmaster X-33 Digital NASA Pilot's Chronograph Watch, 3290.50.00 - Titanium



PRISTINE Merchandise is in “like new” condition. There are no signs of wear or any other visible imperfections.  EXCELLENT Merchandise is in exceptionally good condition with very little wear. Any imperfections are described in detail.  VERY GOOD: Merchandise is in very good condition for its age. Older items may exhibit very light patina and wear relative to the age of the product, and more contemporary items will be just short of “excellent”. GOOD: Merchandise is in good condition and typically will appear mildly to moderately used. There may be some surface scratches and/or other imperfections. Older items may exhibit patina and wear related to their age. Please review the item listing for specific details regarding condition.


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Today's offering showcases this original very cool and highly functional first generation Speedmaster X-33. These Speedmaster Professional watches have been discontinued for sale though they are said to still be available for purchase by space agencies.

As the story goes, the X-33 was developed by Omega allegedly by receiving input from NASA astronauts and pilots about what functionalities they found useful. After five years of testing and prototyping, the X-33 all of the requirements were met to be officially qualified for Space missions by NASA. Omega launched the watch on March 28, 1998, at NASA’s Johnson Space Center in Houston, Texas, and the unveiling was conducted in conjunction with a live satellite uplink to the Russian MIR space station, which already had pre-release prototypes of the X-33 aboard for final testing. Saying the X-33 is feature rich would be an understatement. It features a titanium case with 4 pushers and titanium bracelet, a large display with local time, date (perpetual calendar), programmable alarm, mission timer, mission alarm, universal time (GMT), universal alarm, countdown timer (with alarm) and a chronograph. This X-33 is in gorgeous condition. On the wrist it presents as a 9.8 or 9.9. The bezel insert is perfect. The only real visible wear to the watch are one mark underneath each lug. It is fully Omega down to the Omega buckle and has been fitted with an aftermarket leather strap. The watch was recently serviced, and the only issue with it is that the backlight is no longer working.


Model: Omega Speedmaster X-33, 3290.50.00

No: 56,266,053

Functions: Day-Date, Chronograph, 24 hours GMT, 24 hours, Multifunction Alarm

Dial: Black with luminous baton indexes, outer minute/seconds and 1/5th seconds divisions, LCD display, mint condition

Hands: Luminous broad arrows

Movement type: Omega caliber 1666

Bracelet: Leather (aftermarket), fully stitched, padded with new Omega buckle

Crystal type: Sapphire glass, scratch-free

Return Policy: 7 days from the day it is received

SKU: 21-171736
Accompanied by: Omega
Bracelet/Strap: Leather
Color: Black with luminous baton indexes
Country of Origin: Switzerland
Authenticity Details: Omega
Case Dimensions (in mm): 42.25 mm diameter
Primary Material: Titanium

Domestic and international shipping is by FedEx. All shipments are fully insured.

Please contact Portero Customer Care Department for a return authorization, and ship back item within 7 days of receipt. Items must be properly packaged in comparable box, and in unworn condition.


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When Neil Armstrong took his first step onto the moon proclaiming, "This is one small step for man, one giant leap for mankind," he leapt with the first and only timepiece to land on the moon, Omega.

In La Chaux-de-Fonds, Switzerland 1848, Louis Brandt founded Omega with the foundation of providing innovative and well-crafted timepieces. Now, Omega stands as the official timekeeper of 21 Olympic Games and the official chronometer for NASA.

Omega has been adored by many leading public figures including President John F. Kennedy and Prince William. The Omega brand has also been sponsored by celebrities and athletes such as George Clooney, Daniel Craig, Nicole Kidman, and Michael Phelps.

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