PRECAUTION FOR USE AND MAINTENANCE

Precaution for use

1.If you suffer from heart disease, high blood pressure or other circulatory disease, please consult your doctor first.

2.If you feel abnormal pressure of the cuff during use or any other irregularity, reduce the pressure by immediately switching off the power or remove the batteries and consult the sales outlet where purchased.

3.If you think the measured value is abnormal or if measuring makes you feel unwell, discontinue use and consult your doctor.

4.Measurement of blood pressure may not be possible for someone with a weak pulse or arrhythmia.

5.If blood pressure is measured repeatedly, congestion, swelling, etc. may occur in some people.

6.If blood pressure is measured repeatedly, an accurate result will not be achieved. An interval of about 10 minutes should be allowed.

7.Consult your physician before use if you suffer a severe disorder of blood circulation in the arms. Failure to do so may cause health hazards.

8.Measurement may not be possible for someone with an insufficient blood flow in the area to be measured or frequent irregular heartbeats. Consult your physician for judgment.

9.DO NOT wrap the arm cuff around an injured arm.

10.DO NOT wrap the arm cuff to the arm where a drip (intravenous infusion) or blood transfusion under medical treatment. Failure to do so may cause an injury or a serious accident.

11.DO NOT use in the vicinity of flammable gases such as anesthetic gases because of the risk of ignition and explosion.

12.DO NOT use in enriched oxygen environments such as a hospital’s hyperbaric chamber or oxygen tent because of the risk of ignition and fire.

13.DO NOT use a mobile phone near the unit. Doing so may result in malfunction.

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Citizen REF CH-437C instruction manual Precaution for USE and Maintenance, Precaution for use
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CH-437C, REF CH-437C specifications

The Citizen REF CH-437C is a remarkable timepiece that embodies the precision and innovation synonymous with the Citizen brand. This model is part of Citizen's extensive collection, showcasing a blend of elegance, functionality, and advanced technology.

At the heart of the CH-437C lies Citizen's renowned Eco-Drive technology. This innovative system harnesses light—whether natural or artificial—to power the watch, eliminating the need for battery replacements. This eco-friendly feature aligns with modern sustainability goals and ensures that the watch will continue to function as long as it is exposed to light, making it a reliable companion for its wearer.

The CH-437C is designed with a polished stainless steel case that not only offers durability but also enhances its aesthetic appeal. The case typically has dimensions that provide a comfortable fit on the wrist while maintaining a striking presence. The elegant design is complemented by a mineral crystal, which adds scratch resistance, ensuring the watch remains in pristine condition even in demanding environments.

One of the standout characteristics of the Citizen REF CH-437C is its multifunctional dial. It often features a combination of analog and digital displays, allowing for easy readability of time and other functions. This model may also incorporate a date function, helping users to keep track of their schedule seamlessly. The stylish watch hands are designed for clarity and precision, ensuring that time can be read at a glance.

The CH-437C is not just about looks; its technology includes water resistance, making it suitable for daily wear, whether at the office, during outdoor activities, or while participating in water sports. This versatility is a key selling point for the model, as it caters to a wide audience with diverse lifestyles.

Another notable feature is its luminous hands and markers, enhancing visibility in low-light conditions. This practicality is coupled with a variety of strap options, including leather and stainless steel, allowing wearers to personalize their watch according to their style preferences.

In summary, the Citizen REF CH-437C stands out for its Eco-Drive technology, durable materials, and multifunctional capabilities. With its perfect balance between aesthetic appeal and practical functionality, it reinforces Citizen's commitment to quality and innovation in the world of horology. Whether for professional use or everyday wear, the CH-437C is a testament to Citizen's legacy of excellence.
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