Omega 8800 vs 8900 caliber.
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Thread: Omega 8800 vs 8900 caliber.

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  1. #1
    Member sblantipodi's Avatar
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    Omega 8800 vs 8900 caliber.

    Can you tell me all the differences between the 8800 and the 8900caliber please?

    8800 has fast date set, what else?

  2. #2
    Member iinsic's Avatar
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    Re: Omega 8800 vs 8900 caliber.

    The 8900 is the master chronometer version of the old 8500, with two barrels mounted in series. The 8800 is either a new caliber or a reworked version of the cal. 8520 that was in the Gen2 37.5mm PO. Both the 8800 and 8900 are METAS-certified master chronometers, both are coaxial escapement, both have free sprung-balance with silicon balance spring, bi-directional winding and Geneva waves in arabesque. Some might buy the advantage of two barrels in the 8900 (60 hour PR vs 55 hours for the 8800), but that is a stretch unless you're a watch-as-hockey-puck fan. And, personally, I think the quickset date is an advantage. If I traveled a lot across time zones, the quickset hour change of the 8900 would be nice ... but I don't, so it's not.
    Last edited by iinsic; October 17th, 2016 at 04:54.
    Datejust 116233 • Datejust 16233 • Ω SMPc 212.30.36.20.01.002 • DOXA SUB1000T Project Aware 23/92 • T035.410.11.051.00

  3. #3
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    Re: Omega 8800 vs 8900 caliber.

    It seems that cal 8800 has a ball bearing in the rotor axel, cal 8900 has a sliding bearing.

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    Re: Omega 8800 vs 8900 caliber.

    Quote Originally Posted by iinsic View Post
    The 8900 is the master chronometer version of the old 8500, with two barrels mounted in series. The 8800 is either a new caliber or a reworked version of the cal. 8520 that was in the Gen2 37.5mm PO.
    8520 is a 9 ligne movement that is 5.30 mm tall.

    8800 is an 11.5 ligne movement that is 4.60 mm tall.

    8900 is a 13 ligne movement that is 5.50 mm tall.

    The 8800 is not related to the 8520 or 8500/8900. Like the 8520 it only has one mainspring barrel, and yes the 8800 uses a ball bearing in the rotor. Since the 8800 is only marginally thicker than the 2500 (2500 is 11.5 linges and 4.10 mm thick), it could very well be the replacement for the 2500 as the cases for the 2500 series watches might work for the 8800.

    Cheers, Al

  6. #5
    Member Iowa_Watchman's Avatar
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    Re: Omega 8800 vs 8900 caliber.

    Quote Originally Posted by Archer View Post
    8520 is a 9 ligne movement that is 5.30 mm tall.

    8800 is an 11.5 ligne movement that is 4.60 mm tall.

    8900 is a 13 ligne movement that is 5.50 mm tall.

    The 8800 is not related to the 8520 or 8500/8900. Like the 8520 it only has one mainspring barrel, and yes the 8800 uses a ball bearing in the rotor. Since the 8800 is only marginally thicker than the 2500 (2500 is 11.5 linges and 4.10 mm thick), it could very well be the replacement for the 2500 as the cases for the 2500 series watches might work for the 8800.

    Cheers, Al
    I'm reeeeeeally hoping this is the case. Nothing I want to see more than a 41mm Seamaster Pro with a 8800 movement, solid case back, ceramic bezel, sword hands, 3-link bracelet, and adjustable clasp. I would pay all the monies for such a watch.
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    Re: Omega 8800 vs 8900 caliber.

    Nice, Al. As always, your expertise is very much appreciated.

    I wouldn't be surprised at all to see some new variations of the SMPc. Wonder if Omega will be able to maintain the lower price point on the SMPc with the potential new enhancements...


    Sent from my iPhone using Tapatalk

  8. #7
    Member iinsic's Avatar
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    Re: Omega 8800 vs 8900 caliber.

    Quote Originally Posted by Archer View Post
    8520 is a 9 ligne movement that is 5.30 mm tall.

    8800 is an 11.5 ligne movement that is 4.60 mm tall.

    8900 is a 13 ligne movement that is 5.50 mm tall.

    The 8800 is not related to the 8520 or 8500/8900. Like the 8520 it only has one mainspring barrel, and yes the 8800 uses a ball bearing in the rotor. Since the 8800 is only marginally thicker than the 2500 (2500 is 11.5 linges and 4.10 mm thick), it could very well be the replacement for the 2500 as the cases for the 2500 series watches might work for the 8800.

    Cheers, Al
    Thank you so much for contributing, Al. Looking at the movement through the display back, I could not imagine that the cal. 8800 I was viewing could possibly be a reworked cal. 8520. You have allayed my concerns.
    Datejust 116233 • Datejust 16233 • Ω SMPc 212.30.36.20.01.002 • DOXA SUB1000T Project Aware 23/92 • T035.410.11.051.00

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    Re: Omega 8800 vs 8900 caliber.

    Quote Originally Posted by Archer View Post
    8520 is a 9 ligne movement that is 5.30 mm tall.

    8800 is an 11.5 ligne movement that is 4.60 mm tall.

    8900 is a 13 ligne movement that is 5.50 mm tall.

    The 8800 is not related to the 8520 or 8500/8900. Like the 8520 it only has one mainspring barrel, and yes the 8800 uses a ball bearing in the rotor. Since the 8800 is only marginally thicker than the 2500 (2500 is 11.5 linges and 4.10 mm thick), it could very well be the replacement for the 2500 as the cases for the 2500 series watches might work for the 8800.

    Cheers, Al
    I wish the 38mm version have the same proportion as the AT2500 39mm. I like the thinness of the AT2500, and the fact that 39mm version had 20mm lug width compared to 19mm lug width of midsize AT8500/AT8800 , much more. I love the modern movements with anti-magnetic and nice decorations, but the old 39mm would likely to wear much nicer on my wrist being quite thin and 20mm lug width is a nice plus.

  10. #9
    Member iinsic's Avatar
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    Re: Omega 8800 vs 8900 caliber.

    Quote Originally Posted by benchatamornwong View Post
    I wish the 38mm version have the same proportion as the AT2500 39mm. I like the thinness of the AT2500, and the fact that 39mm version had 20mm lug width compared to 19mm lug width of midsize AT8500/AT8800 , much more. I love the modern movements with anti-magnetic and nice decorations, but the old 39mm would likely to wear much nicer on my wrist being quite thin and 20mm lug width is a nice plus.
    As observed many times already, Omega does not like competing with all of the many strap suppliers who have plenty of offerings in the 20mm and 22mm width. Omega wants to make beaucoup bucks selling hugely expensive strips of nylon, rubber and occasionally leather, so their newer watches have lug widths that are hard to fill from the aftermarket. Once you've bought a drawer full of $200 nato straps (at 19mm or 21mm wide), you'll think the watch was not that expensive on its own.

    Their greed aside, you're absolutely right: A 20mm lug looks much better on a Ø39mm watch, or a Ø38mm watch for that matter. The 19mm lug width was one of the principal things I did not like about my 38.5mm ATs.
    Datejust 116233 • Datejust 16233 • Ω SMPc 212.30.36.20.01.002 • DOXA SUB1000T Project Aware 23/92 • T035.410.11.051.00

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