*PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62
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Thread: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

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  1. #1
    Member BlueWings077's Avatar
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    Off Topic post *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    I'm thinking about getting a Seiko auto with handwinding capability or a kinetic quartz movement. I understand the new version 4R36/4R37 offer the manual handwinding feature.

    Before I pull the trigger, I just want to get some feedback/opinions/and any field experiences with these movements in terms of:
    • RELIABILITY
    • ACCURACY
    • ROBUSTNESS
    • ANY INHERENT PROBLEMS or ISSUES with certain models/movements?


    Here are the models I am considering. Thank you in advance for your comments and advice:

    4R36


    Seiko 5 Sports Automatic Hand Winding SRP165K1 SRP165 SRP165K Mens Watch


    This watch features the latest 4R36 movement from Seiko.
    This watch is automatic i.e. It gets wound by movement of your hand. Also, it has hand winding capability which means you can wind the watch by rotating the crown.


    Features:


    Stainless steel case
    Stainless steel bracelet
    Made in Japan

    24 Jewels

    Automatic Movement
    Caliber: 4R36A

    Hardle Crystal
    Black Dial
    2 Fold With Safety Fold Over Clasp and push Button Release
    See Thru Screw Down Case back
    Lumibrite Hands and Silver Markers
    Day and Date Display at 3 o'clock Position
    100 Meter Water Resistant


    Case Diameter: 45mm (Including crown)
    Case Diameter: 40mm (Excluding Crown)
    Case Thickness: 13mm
    Lug Width: 19 mm
    weight 172g



    4R37



    Seiko Superior Automatic SSA003K1 SSA003 SSA003K Mens Watch

    Features:

    Stainless Steel Case
    Stainless Steel Bracelet
    Made in Japan
    Automatic Movement
    Caliber: 4R37

    Hardlex Crystal
    Black Dial
    Luminous Hands and Hour Markers
    Date Display at 4 O'clock Position
    Screw Down Case Back
    Crown at 4 O'clock Position
    Fold Over Clasp and push Button Release
    100 Meter Water Resistant

    Case Diameter: 48mm (Including Crown)
    Case Diameter: 44mm (Excluding Crown)
    Case Thickness: 13mm
    Lug Width: 17mm




    CALIBER 5M62

    larger image

    Seiko Kinetic Sports SKA501P1 SKA501 SKA501P Mens Watch

    Features:

    Stainless Steel Case
    Stainless Steel Bracelet
    Kinetic Quartz Movement
    Made In Japan
    Caliber: 5M62

    Automatic Power Generator
    Never needs a battery change
    Scratch Resistant Hardlex Crystal Glass
    Dark Brown Dial
    Overcharge Prevention Function
    2 Fold With Safety Fold Over Clasp and push Button Release
    See Thru Screw Down Case back
    Lumibrite Hands and Markers
    Display Date at 4 o'clock position
    100 Meter Water Resistant

    Case Diameter: 44mm (Including Crown)
    Case Diameter: 42mm (Excluding Crown)
    Case Thickness: 14mm
    Lug Width: 28mm
    Weight: 193g

  2. #2
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    Re: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    They are should be typically Seiko reliable. I would just base the decision on which style you prefer and whether you would rather have a quartz tick or a mechanical sweep hand. The Kinetic would be the most accurate of the group.
    BlueWings077 likes this.

  3. #3
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    Re: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    The last movement is not mechanical @ all... hence, it would be a little unfair should you ask fellow members here to point out their view on the movement performance.
    Quartz movements accuracies are mostly consistent. While mechanicals may lost its' accuracies should they're met with hard knocks and drops.

    The 2nd movement, 4r37 is not worth the extra money, IMO. The additional subdial of 24hrs display is just one another decoration, without true functional use of secondary time display... aka alternate time zone...

    1st movement, 4r36 is highly recommended, for fellow SEIKO collectors who are sick and tired of having to wake up their piece whenever their watches are fully unwounded. The hacking mechanism is useful to fellow collectors who tends to rotate their watches every single day or week. However, the power reserve could be a little disappointing. 40hrs approx(or a little lesser) compare to 42 from ETA2824.
    BlueWings077 likes this.

  4. #4
    Member canteaus's Avatar
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    Biggest con (for me): only 21,000 BPH!!

    Come on Seiko!!! Please make a 28,000 BHP movement that isn't $2000+!!

  5. #5
    Member hans caravan's Avatar
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    Re: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    Quote Originally Posted by canteaus View Post
    Biggest con (for me): only 21,000 BPH!!

    Come on Seiko!!! Please make a 28,000 BHP movement that isn't $2000+!!
    They did- the 6r20 in the Premier line.

  6. #6
    Member canteaus's Avatar
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    Quote Originally Posted by hans caravan

    They did- the 6r20 in the Premier line.
    I stand corrected.

    Now, Seiko, please drop the 6r20 in some of your diver watches!! :)
    serdal23 and invernomuto like this.

  7. #7
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    Re: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    Quote Originally Posted by canteaus View Post
    I stand corrected.

    Now, Seiko, please drop the 6r20 in some of your diver watches!! :)
    Would be nice, but my 6R15 is ticking away reliably.

  8. #8
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    Re: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    All should be reliable and robust for the most part.
    The 4rxx movements still have Seiko's ill fated balance system that continues to give people grief when they get knocked around. Fortunately the issue isn't a serious one and is easily remedied; but it could be a nuisance.
    The kinetic should be reliable and robust but also has a weak spot; the weight on the rotor. One of the most frequent problems; after dead 'capacitors' is the rotor weight becoming separated from the rotor due to shocks.

    These things happen infrequently and depending on your life style may never happen...but it is good to be aware of the potential problems.
    BlueWings077 and serdal23 like this.

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    Re: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    Quote Originally Posted by Pawl_Buster View Post
    All should be reliable and robust for the most part.
    The 4rxx movements still have Seiko's ill fated balance system that continues to give people grief when they get knocked around. Fortunately the issue isn't a serious one and is easily remedied; but it could be a nuisance.
    The kinetic should be reliable and robust but also has a weak spot; the weight on the rotor. One of the most frequent problems; after dead 'capacitors' is the rotor weight becoming separated from the rotor due to shocks.

    These things happen infrequently and depending on your life style may never happen...but it is good to be aware of the potential problems.
    Congratulations on your 4000th post, my friend.

    Very Best Regards . . .

    Capt. Serdal

  10. #10
    Member BlueWings077's Avatar
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    Re: *PROS & CONS* Seiko MOVEMENTS --> 4R36 vs. 4R37 vs. Cal.-5M62

    Quote Originally Posted by Pawl_Buster View Post
    All should be reliable and robust for the most part.
    The 4rxx movements still have Seiko's ill fated balance system that continues to give people grief when they get knocked around. Fortunately the issue isn't a serious one and is easily remedied; but it could be a nuisance.
    The kinetic should be reliable and robust but also has a weak spot; the weight on the rotor. One of the most frequent problems; after dead 'capacitors' is the rotor weight becoming separated from the rotor due to shocks.

    These things happen infrequently and depending on your life style may never happen...but it is good to be aware of the potential problems.
    THANKS for your comments and feedback Pawl (P/B)...
    Looks like you really know your Seikos inside-and-out...the "ill-fated balance system" issue is an eye-opener. As a general rule, I typically use my Casio G-Shocks (GA-100s) and other field watch for my outdoor and sporting activities to avoid damaging my other watches. From what little I know, I was under the impression that the built-in "shock-proofing" (e.g., incabloc, etc.) can withstand the daily use/abuse with the exception of, say, an accidental drop, hitting a concrete wall, etc., etc.

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