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By Omega
The Omega Speedmaster Instruments X-33 Marstimer reference 318.90.45.79.01.003 is a brand-new 45mm titanium multifunctional mission watch featuring a black index dial, aluminum bezel, and integrated titanium bracelet. Developed in collaboration with aerospace professionals, the X-33 Marstimer is purpose-built for the demands of space exploration, offering Mars mission-specific timekeeping functions alongside Earth-time capabilities. Its lightweight yet robust titanium construction makes it one of the most technically sophisticated watches in Omega's Speedmaster family.
What sets the Speedmaster X-33 Marstimer apart is its unique combination of mission-grade functionality and Omega's legendary Speedmaster heritage, packaged in a striking 45mm titanium case sized for legibility and presence on the wrist. Whether you are an astronaut, a pilot, or a serious watch enthusiast, this reference represents a pinnacle of instrument watchmaking. Browse this listing at Bizak & Co. and contact us today to secure yours at the best available price.
Compare it across every Speedmaster X-33 Marstimer reference we carry, or browse the full Omega collection at Bizak & Co.
Buy this Speedmaster X-33 Marstimer, trade in your current watch, or sell us yours. Contact Bizak & Co. to make an offer or request a fair-market valuation.
Reference Number 318.90.45.79.01.003
Model Family Speedmaster X-33 Marstimer
Movement Quartz
Case Material Titanium
Bracelet Material Titanium
Dial Black with index markers
Case Dimension 45mm
Year
Condition Brand New
Box & Papers
Each watch we sell comes with original box & papers.
You're buying from genuine people, 30 years in business.
Every watch is checked by us before shipping.
Every watch you buy from us is backed by our 5-year warranty—because luxury should come with long-term peace of mind.
If anything goes wrong mechanically due to a manufacturing issue, we’ll take care of it. No stress. No surprises.
Because trust isn’t built in a transaction—it’s built over time.
Our costumers trust us and we trust them. That's why we're boldly presenting the best return policy in the industry.
We take all the risk so you don't have to.
For high-value orders, we offer our exclusive Signature Personal Delivery—where one of our team members personally flies out to hand-deliver your watch.
Because some pieces deserve more than just shipping—they deserve a handshake.