FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

Thread: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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  1. #1
    Member ppaulusz's Avatar
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    FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

    For sale an extremely rare and special CITIZEN CRYSTRON 4 MEGA (Cal.7370D) high-accuracy (±5 seconds per year), high-frequency (4.19MHz) men's quartz watch in beautiful cosmetic and perfect working condition with a Citizen watchbox!

    This watch was manufactured in October, 1979 in Japan. It features the famous 4.19MHz (4,194,304Hz) high-frequency quartz movement (Cal.7370D) to achieve accuracy within ±5 seconds per year!!!


    This watch is a collector's item as it is extremely rare and unique especially in this beautiful condition!


    Here are the factory specifications:

    - Movement: Citizen Cal.7370D - high-accuracy (±5 seconds per year) high-frequency (4.19MHz) quartz

    - Date: quick set day-date (selectable: English or Japanese)

    - Case material: stainless steel
    - Strap material: stainless steel

    - Dial size: approximately 35mm (without the crown)

    - Water resistant for everyday use

    - Battery life: approximately 2 years (new battery fitted in November, 2017)

    - Made in Japan!


    I'll send the pdf file of the Technical Manual (Cal.7370D) to the buyer via email.

    The watch works perfectly and comes with a Citizen watchbox!



    Price: £2399.99 (including free insured worldwide delivery with tracking number)!


    No VAT/duty for buyers within the European Union (EU) as the item is shipped from Hungary (EU)!


    Method of payment: PayPal or Bank Transfer


    Contact email: [email protected]


    Link to my high-resolution pictures of the actual watch: ​Crystron 4 MEGA
    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

  2. #2
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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

  7. #6
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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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    Re: FS: Citizen Crystron 4 MEGA (Cal.7370D) - High-accuracy 4.19MHz Quartz movement

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    Referring to the specifications without being aware of the applied technologies is the telltale sign of incompetence!

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