Restoration an Omega Astronaut Watch. The Omega Mark 4.5 cal 1045

I will restore this Omega vintage chronograph. This is the Omega Mark 4.5 part of the moonwatch family made for the astronauts. This vintage chronograph is not in good shape and needs some care. I will bring back to life the nice Omega caliber 1045 inside this watch and get a second life to this vintage beauty
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[@El1988Che]

The Omega 1045 is pretty much a rebranded Lemania 5100. The 5100 was known for how it reliable it was, and due to the platic parts in the bridges, it was able to take harder shocks. The 5100 will, apparently, withstand a 7G shock without problems and run for seven years without a service - all years before Casio’s “Triple Ten” concept. The 5100 still kinda lives today as the ETA C01.211. Couple of modifications were made to the movement, but it's still the same architecture.

[@FrenchWatchCollector]

Thank you so much for all the intersting information. This is what I like when people share the knowledge and history. Thank you

[@michaelsavvidis1984]

Nice work !!! Bravo !!!! I have the same watch here in Greece and I'm considering giving it for a good service! I bought it in Zurich in 1981 and I'm proud of it!

[@FrenchWatchCollector]

It is a nice watch. You need to take care of it

[@heinrethasangerhaus4242]

I realy like this piece. Beautifull and better with the sapphire glass. Good job.

[@FrenchWatchCollector]

Thank you so much 😀

[@brucebarlow6604]

Yes Perfect and and a very interesting construction practices with the plastic parts and split case. Keep well from New Zealand 🇳🇿

[@FrenchWatchCollector]

Thanks, you too!

[@sitandfish]

8:51 "This one is very very particular". Oh man... I was lost from the start. ✌

[@FrenchWatchCollector]

Yes it is a very different caliber

[@neilhaas]

Very nice watch i like it so far. Love space. ❤😊🤩☺️🤗

[@FrenchWatchCollector]

Thank you

[@muffemod]

I watch all the videos. This is mine favorite channel right now! ⌚🥇

[@FrenchWatchCollector]

Thank you so much

[@masterwatch]

very good.

[@FrenchWatchCollector]

👍

[@csachevauxsansabri2612]

Hi there long time. Good on you for having shared the mistake with us. The power of edeting could have taken care of it. Respect

[@FrenchWatchCollector]

Thanks 👍

[@adys1982]

Nice piece 😮

[@FrenchWatchCollector]

Thank you

[@ygrbooks]

Thank you for this beautiful video on a watch with a spectacular dial and hands. Sadly, the interior shouts "quartz crisis" loud and clear. Fortunately, the plastic parts are not exposed to sunlight, so their chances of survival are much better.

[@FrenchWatchCollector]

Thank you. I was very surprised when I discover the caliber inside. Especially when you know the complexity of its predecessor

[@realricciardo85]

Hello again! Thanks for charing your experience and expertise.

[@FrenchWatchCollector]

My pleasure

[@jatco84]

Tres bien monsieur on that restoration.. Very interesting movement and and job well done..Kudos

[@FrenchWatchCollector]

Glad you enjoyed it

[@momiland7673]

Beautiful Piece!! ⌚️🔝😍👍👍👍👏👏👏

[@FrenchWatchCollector]

Thank you! Cheers!

[@GentlemensWatchServices]

Great work on the watch and video.

[@FrenchWatchCollector]

Thank you kindly

[@andyyoung3233]

Hi great video I've owned a Speedmaster year 2000 model and loved it but prefer the Mk 2 like this one anyway really nice work I'm trying to learn watch making had some fails and some successes I'm finding it really interesting it's harder than you make it look I have real problems trying to fit the hands though thanks for reading. Andy.

[@FrenchWatchCollector]

I love the mk 2 too. I made a week on a mk2 on the channel

[@TheD777777]

Great video and great watch, sold mine years ago, kinda still regretting that. :) But i have a brand new dial for it, for sale.

[@FrenchWatchCollector]

Thank you it is a great watch

[@douro20]

Lemania called this type of chronograph switcher a "navette". It's similar to a column wheel in function but it's construction is different. Citizen developed something similar in the 1970s using a stack of unidirectional gear wheels riveted together. Frederique Constant, which is part of Citizen, recently developed a new type of chronograph switcher which is similar to the navette but uses a star-shaped wheel. The action of this system is extremely smooth, rivaling that of a traditional column wheel.

[@FrenchWatchCollector]

Yes it is very smooth to operate. I can confirm

[@Bluepeter62]

This is almost the same watch as my Sinn 157. Great job, love it 👍

[@FrenchWatchCollector]

Yes a lot of similarities

[@Supercruze]

What a great watch and restoration. I own a Mark II with Cal 861. I service and restore a lot of vintage Seiko but would love to dive into one of these vintage Omegas. Thanks for showing this service. Well done.

[@FrenchWatchCollector]

Thank you. I have done a MKII as well on the channel. Lovely watch

[@Lunalysis]

I just serviced a Tissot Chronograph with the ETA C01.211 caliber. It's also based on the Lemania 5100, except it has a plastic escape wheel and pallet fork. Surprising how well it works.

[@FrenchWatchCollector]

Plastic escape et pallet fork that must be strange when you see that the first time

[@Lunalysis]

@@FrenchWatchCollector Indeed. I wasn't sure if this was a "Frankenwatch" at first, but the history and research was fascinating. I did take a short video of the plastic escapement if interested. kzbin.info/www/bejne/oZnJqKp5a9t8isk

[@FrenchWatchCollector]

Thank you. Very interesting@@Lunalysis

[@bojidarvasilev8854]

in my opinion, you should have paid attention to the case because there are a lot of signs of use and the hands too. But more importantly, it was carefully serviced 👍

[@FrenchWatchCollector]

Yes after a lot of people prefer to have vintage watches unpolished. It can always be done later but when it is done it is too late

[@joshduncan371]

I'd be wary cleaning the dial with isopropyl alcohol. In some cases, this can remove the lettering/print or even damage the lacquer. I learned that on the hard way

[@FrenchWatchCollector]

What is your recommendation?

[@joshduncan371]

@FrenchWatchCollector from my experience (albeit limited), I've always just been recommended using warm water for basic cleaning. If you're just wanting to clean up smudges/dust it normally works just fine and is much safer than chemicals. Obviously, it won't get rid of any serious staining or dirt, but sometimes it is better to avoid causing excess damage than taking a risk in my opinion

[@clifflancaster4693]

I'm trying to remove the 3/4 plate bridge and I see that at that point you realized that you should've removed the power. Can you somehow show how you do that? Is there perhaps another video? Enjoyed watching this very much.

[@FrenchWatchCollector]

The spring is on the side. Wind the caliber and you should see it click

[@clifflancaster4693]

@@FrenchWatchCollector When I look at the back of the movement with the crown to the right, I can see the edge of a gear located above the winding stem. Just below that I can see a thin wire that engages that gear. Is that wire the click? Thank you very much!

[@clifflancaster4693]

I took a photo of that and sent it to a watchmaker with my question, and he confirmed that that's the click spring. Thanks for the help!

[@user-nj8tz5en7k]

Interesting how everything on the dial is almost perfect,even the Omega symbol,but the Omega writing is almost warn off!

[@FrenchWatchCollector]

Yes I don't know how it got worn off like this

[@SQueme]

7:20 first time i see such a "sandwich" chronograph : everything (butter & ham) in the middle 🤔 probably for the thickness ? (why plastic ? for weight ? shock attenuation ? ) 24:00 worse than a 2813 🤣

[@FrenchWatchCollector]

Plastic was apparently for cost saving during manufacturing

[@holtzman72]

I can't believe this watch can reliably withstand the harsh conditions on the surface of the Moon. Was it supposed to be worn there? Or just inside the spacecraft? Sorry for off-topic, just wondering what is your opinion.

[@FrenchWatchCollector]

It never went to the moon but earlier version did without any issues

[@alan11121959]

I am amazed that Omega would be so contrary with the design of this caliber. Simplified, yes, but better, perhaps not. The effects of the quartz crisis...

[@FrenchWatchCollector]

It is a good caliber but yes different from its predecessor

[@Joker-yb6ks]

Thanks this video, i follow this video Service my fortis lemania 5100

[@FrenchWatchCollector]

👍

[@boydsargeant7496]

Thanks, great video! I was as surprised as you to see so much plastic! How did you identify the part numbers for the gaskets, sapphire etc?

[@FrenchWatchCollector]

I find a lot of information on cousin or boley for case parts

[@boydsargeant7496]

@@FrenchWatchCollector Thanks!

[@clifflancaster4693]

Where's the click spring on this that you would've held to release the mainspring power? I don't see one.

[@FrenchWatchCollector]

It is on the side of the movement. If you wind the caliber you should see it click

[@csachevauxsansabri2612]

Im not sure about the pastic, i dont think it's for cost saving reasons becaus in thr 70s plastic molding was relatively new technologie. It didnt realy come to florish before the 80s. I realy think they had diving obsticals in mind.

[@FrenchWatchCollector]

Maybe

[@douro20]

Back in the early 1970s Tissot, which was a sister company of Omega at the time, developed a series of movements called Astrolon which had more than eighty percent plastic parts. They were designed to simplify and speed up production by requiring a minimum of parts which needed to be machined. They required no lubrication, and while it not designed to chronometer specs their performance often well exceeded COSC standards. A series of watches was released in 1972 but never sold well.

[@FrenchWatchCollector]

Thank you for the info. You are the wikipedia of watches@@douro20

[@user-hu8bn2dm3n]

من فضلك عندي ساعة pierpont قديمة نسائية وهي بحالة جيدة ممكن اعرف قيمتها بالمزاد او تساعدني لمعرفة قيمتها

[@user-hu8bn2dm3n]

شكرا

[@kuongsam2314]

what is the use of the rotor in space?

[@FrenchWatchCollector]

To wind automatically the watch like on earth. They did some test and it works

[@coopdivi]

It's a common misconception that automatic watches need gravity for the rotor to function. They don't - it works because of inertia. As your arm moves the watch, inertia causes the rotor to lag behind, thus winding the mainspring. Think of it this way: you can keep the watch case still and rotate the rotor, or you can keep the rotor still and rotate the case. Either way, the watch will wind.

[@drawincode1800]

This Is Not The Astronaut SpeedMaster IDK Where You Got That From!?! 😂

[@drawincode1800]

Also I was the 666th like 👍

[@FrenchWatchCollector]

This was made by Omega in the intention to by used by astronaut but it was never the case

[@alligatornet1137]

why so many plastic in caliber ?

[@FrenchWatchCollector]

For production and cost saving

[@statusbohemio]

Great job! But please remove that ugly bracelet. Put on leather instead

[@FrenchWatchCollector]

Might put it on a nato strap

[@statusbohemio]

@@FrenchWatchCollector good idea!! NATO would fit better

[@donaldduck7628]

Plastic. A lot of swatch has crept into the movement. 😊

[@FrenchWatchCollector]

A moonswatch already 50 years ago

[@PietroCozziTinin]

Not only cost reduction here but also weight reduction. Every gram to space costs a lot of money.

[@FrenchWatchCollector]

You are right

[@soldtobediers]

Main spring miss direction, spurred to memory these few comparative lines of comfort; no matter the the task. kzbin.info/www/bejne/d6HYoqKOaKupn7c Collected volumes of history say Man makes mistakes most everyday The half a pound of chopped ground round Is still a burger when it goes downtown No faded photographs of yesterdays Are in the books that I read these days To fly away from that memory town You must keep both your feet on the ground Cause you'll be leaving on a new train Far away from this world of pain And when you look out your window you'll see Your home your baby and your family No melted ice cube in a paper cup Hell you'll be happy you'll be all shook up The friends that greet you will be Simple and plain When you step down from that new train ~John Prine song: ''New Train'' album: "Lost Dogs + Mixed Blessings" (1995) ~Blessings be upon your every endeavor until that time of... ''His✝Just⚖Return🪃