The Wristwatch Field Guide

Omega Speedmaster X-33 Marstimer (Titanium)

318.90.45.79.01.003

The Omega Speedmaster X-33 Marstimer (Titanium) is a current-production pilot watch with a grade 2 titanium case. At 112 g it sits among the heavier pilot watches in the guide, and is priced well above the $1,750 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

All Omega watchesExotic-material pilot watchesTitaniumGMTChronograph
Price
$6,400
Material
Titanium
Grade / type
Grade 2
Weight
112 g (head only)
Water resistance
30 m
Reference
318.90.45.79.01.003
Type
Pilot
Case diameter
45.0 mm
Thickness
14.7 mm
Lug-to-lug
48 mm
Origin
Switzerland
Movement
Quartz (thermocompensated, ana-digi)
Caliber
Omega Caliber 5622
Complications
Chronograph, GMT, Perpetual calendar, Date
Colour
Grey
Surface treatment
None
Caseback
Titanium
Nickel-free
Yes
Bracelet / strap
Titanium bracelet and NATO
Matching bracelet
Standard
Crystal
Sapphire, AR coated
Display back
No
Dial
Black ana-digi, Mars-red bezel
Dial colours
Black Red
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Power reserve, Hardness, Construction
High confidence Verified Jul 2026 Source: Monochrome Maker ↗
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
No reviews yet.
See it in the interactive guideContribute a photo or review

Similar exotic-material watches

Fortis Flieger F-43 Triple-GMT TitaniumFortisFlieger F-43 Triple-GMT Titanium$5,05043.0 mm15.5 mm thick88 gPilotsame category · same style · similar price · similar size
BallRoadmaster Pilot GMT$3,49940.0 mm14 mm thick160 gPilotsame category · same style · similar price · similar thicknessCitizen Promaster Skyhawk A-T Super Titanium (JY8108)CitizenPromaster Skyhawk A-T Super Titanium (JY8108)$82046.0 mm13.8 mm thickPilotsame category · same style · similar size · similar thickness
BreitlingAvenger Automatic GMT 45 Night Mission$5,75045.0 mm12.31 mm thickPilotsame category · same style · similar price · similar sizeBremont Altitude MB Meteor Time ZonesBremontAltitude MB Meteor Time Zones$5,85042.0 mm12.23 mm thick53.4 gPilotsame category · same style · similar price · same strapMicromilspec Pilot WorldtimerMicromilspecPilot Worldtimer$3,85042.0 mm15 mm thickPilotsame category · same style · similar price · similar thicknessMicromilspec MilgraphMicromilspecMilgraph$3,95042.0 mm15 mm thick100 gPilotsame category · same style · similar price · similar thickness
LonginesPilot Majetek Pioneer Edition (Titanium)$5,65043.0 mm13.3 mm thick78.7 gPilotsame category · similar price · similar size · similar thickness

Alternatives to the Omega Speedmaster X-33 Marstimer (Titanium)

TutimaSky Chronograph T5 (titanium)$5,34041.0 mmPilotsame category · same style · shared complications · similar price
Sinn103 Ti DIAPAL$3,50041.0 mmPilotsame category · same style · shared complications · similar priceBremont Altitude Perpetual Calendar GMTBremontAltitude Perpetual Calendar GMT$38,45042.0 mm12.65 mm thickPilotsame category · same style · shared complications · similar size
LonginesSpirit Zulu Time Titanium 39mm$3,50039.0 mm69 gPilotsame category · same style · shared complications · similar price
SeikoBrightz Flight Expert SAGA197 (Titanium)$69543.6 mm11.3 mm thickPilotsame category · same style · shared complications · similar size
ArchimedePilot 42 GMT Bronze$2,30042.0 mm10.2 mm thickPilotsame category · same style · shared complications · similar size

More exotic-material watches from Omega

Omega Seamaster Planet Ocean Ultra Deep 6000M (Titanium)OmegaSeamaster Planet Ocean Ultra Deep 6000M (Titanium)$15,30045.5 mm18.12 mm thick123 gDiver
OmegaSeamaster Diver 300M Titanium-Tantalum (LE)$13,00042.0 mm161 gDiver
OmegaSeamaster Aqua Terra Ultra Light (Gamma Titanium)$48,60041.0 mm55 gDressOmega Seamaster Diver 300M 007 Edition (Titanium)OmegaSeamaster Diver 300M 007 Edition (Titanium)$11,30042.0 mm95 gDiver
OmegaSeamaster Ploprof 1200M Titanium$9,80055.0 mm175 gDiverOmega Seamaster Aqua Terra 150M Worldtimer (Titanium)OmegaSeamaster Aqua Terra 150M Worldtimer (Titanium)$14,00043.0 mm93 gOther

Frequently asked questions

Is the Omega Speedmaster X-33 Marstimer (Titanium) nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grade 2 titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What is the case material of the Omega Speedmaster X-33 Marstimer (Titanium)?

The Omega Speedmaster X-33 Marstimer (Titanium) has a grade 2 titanium case with a titanium caseback. This is confirmed against the maker spec.

What size is the Omega Speedmaster X-33 Marstimer (Titanium)?

It is 45.0 mm in diameter, 14.7 mm thick, 48 mm lug to lug, and water resistant to 30 m.

How much does the Omega Speedmaster X-33 Marstimer (Titanium) weigh?

About 112 g (head).

How much does the Omega Speedmaster X-33 Marstimer (Titanium) cost, and is it available?

It is current-production and lists from $6,400.

All exotic-material Omega watches · Exotic-material pilot watches · All 1,957 watches

Learn: Which Material? · Lightest Materials · Most Scratch-Resistant · Materials and Skin

Image & Trademark Policy · Terms & Conditions