Hands-On: Three Omega Speedmaster Co-Axial Master Chronometer Moonphase Chronograph 44.25mm In Platinum-Gold With Gem-Set Dials

By Jon Bues

This year is obviously a very big one for the Speedmaster – Omega’s celebrated with a steel anniversary limited edition, one in platinum with the caliber 321, and even one with the Metropolitan Museum of Art. Today, we’re going hands on with something a little different: a trio of Speedmaster Moonphases with cases, dials, and folding clasps made in an alloy of platinum and gold (Pt950Au20). There’s one with red accents, another with blue, and a third in green, and each comes with gemstone applied markers for the hours as well as a bezel (polished ceramic for the blue and green versions, red alumina for the red version) with a tachymeter scale in platinum Liquidmetal. Let’s check ’em out.




Despite having white metal cases, these aren’t the most subdued Speedys that you are likely to come across. For starters, they’re 44.25mm in diameter, and add to that that they come in three vibrant colors with gem-set hour markers. Of the three, the most likely to fly under the radar is the blue version: its blue tachymeter and platinum Liquidmetal moon phase display on a blue ceramic disc feels classic, and while the white gold hour markers are set with baguette-cut diamonds, they manage to be fairly discreet, set against the watch’s sandblasted platinum-gold dial. The green version features two platinum Liquidmetal moons against a green ceramic sky and baguette-cut emerald hour markers, and the red Speedy comes with two platinum Liquidmetal moons on what looks like an ominously red alumina sky. Its white gold hour markers are set with rubies. These models are very similar to the three platinum Speedmaster Moonphase models that Omega presented last year at Baselworld. But while those pieces came on platinum bracelets, these ones come on alligator straps matched to their respective dial accents.


Looking closely at the dials, you see that there is a good amount of texture to them thanks to the sandblasting – even with the gem-set, precious-metal dials, these moon phases still have plenty of lume applied to each marker and on the hour, minute, and chronograph seconds hands. If you look closely at the crescent-moon-shaped date hand in the 9 o’clock subdial, you’ll see that it carries a tiny magnifying glass, to enlarge the printed date scale.


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