Omega Diver 300M Seamaster Chronograph overhaul and restoration

This time, I repaired and overhauled the Omega Seamaster Chronograph with caliber 1164 which had stopped working due to 2 issues: Broken Mainspring arbor pivot and worn out reverse wheel. These parts were replaced and the case and bracelets polished.
I may try to do an in depth tutorial on getting the bracelet and case finished in a future episode if there is enough interest.
🕔 Time Chapters
0:00 - Introduction
0:32 - Inspection and evaluation
2:26 - Dial alignment issues
2:45 - Movement disassembly
9:32 - Closer look at broken pivot
9:45 - Movement assembly
13:33 - Polishing
15:14 - Case vacuum test
15: 34 - Comparison before and after
24:50 - Finished
Leave a comment and I will try to answer. See you guys in the next one!

[@djny25]

I've owned this watch for 20 years. Nice to see what's inside. Greta video.

[@pete3486]

Nicely done! Great video. I had mine serviced by Omega last year at a cost of US$750. It looks and feels brand new, even though it’s over 10 years old. Definitely worth the price!

[@WarrenatCLS]

Could have been my watch. Sent mine in during Covid, took 9-10 Months to come back. I love my watch. And works like new now. ❤️ (although I didn’t impact it, that I knew about). Love the work you guys do to these watches. (Edit: dev not my watch. I got back enough pieces to make another watch. 😆 Corrosion inside,‘I believe. Thought it was a diving watch?! 😆 Did a lot of ocean water with it).

[@robshannon681]

Thank you!! This is my first ‘proper’ watch I own and wow to see inside the intricacy, beauty and need for love & care! Off to get mine serviced after 9 years :)

[@rayk6049]

Just had mine serviced. Now I get why they charge what they do. Amazing.

[@awatchdiary]

As long as your watchmaker lets you know exactly what he did and charges you fairly for work done. Some may spend more time for extras like polishing/valet work.

[@boomersdelightvv7201]

Yes, interested

[@tonlaurenssen5488]

I have the same Watch so thnx, very interesting to see what is inside 👍👍

[@darcybrawataakaontariostac6835]

Oh to be able to afford a magnificent timepiece like this one. Cheers from 🇨🇦

[@timothyodonnell8591]

Longer is better. I enjoyed the detective story of what was wrong.

[@awatchdiary]

Got it

[@richardperkin6927]

Superb vid…thankyou 👏👏

[@thomascouturier6843]

Thank you very much for this video ! It's so interesting so see how watches are restored

[@awatchdiary]

Glad you enjoyed it!

[@kgb1982]

I love mine, love the large size and weight of it.

[@tikishark1]

Great detective work. The watch looked amazing when done.

[@awatchdiary]

Thank you!

[@keltecdan]

I have the same watch and it needs a service as well as my x-33 gen 1.

[@mjonathan100]

amazing wokr, would love to see the buffing/polishing techniques and materials used. keep it coming

[@awatchdiary]

Yes will post how I polish at a later date

[@terence79chan]

Another brilliant restoration mate!👍 I like your acrylic box cover which safe-kept all the tiny dismantled parts on the work bench while you brewed your coffee.

[@awatchdiary]

Thanks bro!

[@TonyStone3000]

I've had mine for almost 20 years. But mine has the brushed bezel.

[@petrhecht5764]

There could still be a re-test on Weisha at the end of the video!👍👍👍

[@ve2166]

I have the titanium and she's still running strong!

[@awatchdiary]

These Valjoux ETA based calibers are legends

[@CuongNguyen-cp2mv]

Bạn ơi nhìn bạn sửa mà tôi thích quá cứ xem đi xem lại bởi vì tôi cũng có một em đồng hồ như này lúc chạy lúc không chạy làm thế nào để gửi tới tay bạn nhờ bạn chỉnh chu lại để nó gần như thủa ban đầu được nhỉ?..

[@awatchdiary]

Sorry my friend, I do not take jobs from KZbin. But you could ask some questions I will be happy to answer them if it helps you.

[@1htalp9]

How did you manage to redo the satin finish on the bracelet and keep the polished pieces shiny at the same time? Beautiful watch, looks brand new! Awesome job!

[@awatchdiary]

Thank you! I plan to film some polishing tutorials if I can find some time. I use tape to mask off areas and polishing/graining wheels. Subscribe to see when the video is released. Thank you!

[@wingi7722]

Excellent video! I'm not a watchmaker but a bit of a collector. I'm thinking of getting one of these Omega 1164 300M Chronographs. I love how you showed your coffee break! :D May I ask how long does the lume last at night on these vintage Omegas ?

[@awatchdiary]

It depends on the current condition of the Lume really. Taken care of, they should work for years through the night. They work best in pitch darkness. Any night lights or bright sleeping room will significantly diminish the apparent glow. I can still tell time for Superluminova watches 5am in the morning.

[@neilbailey2893]

A fascinating and informative video. I have the same watch, which is working fine, wondering how long I should wait before sending it for a service. I live in the U.K. and I understand Omega charge £800 + tax☹️

[@awatchdiary]

I understand Omega's service interval recommendation is every 5 to 8 years. 5, if its a daily beater or stretch it to 8 years if it's not an everyday watch. It will be good if there's an Official Authorised Omega workshop in your area, or you have a capable independent watchmaker serving you. This is not a fancy coaxial or special caliber so I think most decent watchmaker should be able to do a good job, as always ask around for a reliable workshop or best yet, Omega Authorised if you can afford it. I wish you all the best and continue to wear this nice watch in good health and spirit!

[@neilbailey2893]

Mine is a coaxial so presumably even more expensive to service!

[@awatchdiary]

Omega Authorized charges are the same standard between coaxial and usual swiss lever escapement. Coaxial escapement lubrication requires more finesse and requires oiling under microscope. I do charge a little more for coaxial here. But its good problem, depending on how you look at it! Cheers! www.omegawatches.com/customer-service/interventions-and-prices/price-calculator @@neilbailey2893

[@garyboyle695]

I prefer the longer more detailed format.

[@awatchdiary]

Thank you

[@manojpawaskar1072]

Please share the cost of this "Omega seamaster professional" watch in India. And How many old this 'Omega Seamaster professional' watch!!!? Great presentation ❤ Superb

[@awatchdiary]

It's an old watch using the 7750 based caliber before it was modernised with co-axial upgrade. I think it should be 2000's. I am not sure the pricing, you can check out chrono24 for the available resale prices.

[@manojpawaskar1072]

Thanks Sir for your good support

[@jerchen29ify]

Excellent video, it’s like brain surgery

[@user-tm5ev9ot7j]

Watched for the service prospective since I have a Speedmaster Professional needing service, but liked the music. I especially like the song starting around 15:22. Could you tell me what it’s called? Thanks

[@awatchdiary]

kzbin.info/www/bejne/bILYqaCbrcShodk

[@user-tm5ev9ot7j]

Thanks so much. Couldn’t get it out of my head.

[@MichaelWilliams-mo1vv]

Very interesting. Any idea how much Omega would have charged for this service/ repair?

[@awatchdiary]

For a chronograph, non-precious metal, it comes to be around 800USD, plus parts. I just used the price calculator on the Omega website: www.omegawatches.com/customer-service/interventions-and-prices/price-calculator

[@MichaelWilliams-mo1vv]

@@awatchdiary thank you

[@mmcmc3476]

So if you use D5 on the center second, is there a risk that the hand will not stick/propably when reassamble? The wheel gets cleaned, but the hand will still have D5 in the tube? These hands on 7750 really is a nighmare to get off some times. I have broken a couple of tubes on the way 🤪

[@awatchdiary]

You are right. But the D5 usually does not affect operation as the friction is already excessive.

[@awatchdiary]

The other way I have hear from other techs is to set a heating plate to 60-70C before even trying. Of course, you will also do well to be extreme wary of some Chronographs like Breitling (newer models). These have a high failure rate of hands damage as they are so tightly fitted stock, unless you have Breitling parts account.

[@mmcmc3476]

Thanks! Yes, my Breitling Chronomat was one of them where the tube snapped and was left on the seconds wheel.

[@boriszapanta9258]

How much did it cost to overhaul, repair and polish?

[@awatchdiary]

They usually cost abit less than what Omega charges if I do them. At Omega It would be about $800-1000

[@joewatkins1667]

that's one complicated watch

[@deanbothwell6992]

Super interested in this then the music…zero interest in this.