WATCHES IN SPACE 🧵

Ever notice how all of the astronauts are wearing a billion watches in every picture? Christina Koch is wearing three in this picture

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April 09, 2026 - 17:06 UTC

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So much detail and history in this thread. Delightful. Thanks for sharing!
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Don't mean to jump in, but they don't get to keep the X-33s issued them from NASA, so they bring their own to have as space-flight mementos/heirlooms - particularly the Moonwatch. Don't know how you could go without bringing your own, ha.
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Yeah, definitely!
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The Omega museum in Switzerland has an exhibit about the moon landing. Notice the watch on the outside of the suit. 😀
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Since the start of Gemini, NASA has only ever issued two watches to astronauts.

Since 1998, they get the Omega Speedmaster X-33. This is a "analog-digital" very accurate quartz watch with a number of advanced timing features.

You can see them on long straps outside their orange suits.
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Before 1998, It was the Omega Speedmaster Professional, a mechanical wind-up watch that wasn't developed for space travel but turns out to be very robust over large changes in temperature, G-forces, and in the vacuum of space!
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Steven, are you a watch guy?!?
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Yes but more of a 3 digit watch guy, not a 4 digit watch guy
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I think one of them might be a medical sensor. I see it on 3 of them and it doesn't have a screen or watchface. The 4 probably has it on their right arm which is out of view.
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Yes, that one is a medical sensor.
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