Masimo W1®
Advanced Health Tracking Watch
Regular price $499.00 3-year warranty
Health and Wellness
On the Wrist
The first of its kind, the Masimo W1 offers accurate, continuous health data and actionable health insights – from the leader in hospital pulse oximetry – in a personal, lifestyle-friendly watch. Masimo W1 provides a variety of physiological data – including for the first time Hydration Index (Hi) alongside oxygen level (SpO2),* pulse rate, pulse rate variability, heart rate, pleth variability index, and perfusion index – for consumers wanting to make better informed health and lifestyle decisions, improve their fitness, or track their health data on their own or with friends and family.
The first of its kind, the Masimo W1 offers accurate, continuous health data and actionable health insights – from the leader in hospital pulse oximetry – in a personal, lifestyle-friendly watch. Masimo W1 provides a variety of physiological data – including for the first time Hydration Index (Hi) alongside oxygen level (SpO2),* pulse rate, pulse rate variability, heart rate, pleth variability index, and perfusion index – for consumers wanting to make better informed health and lifestyle decisions, improve their fitness, or track their health data on their own or with friends and family.
From the Inventors of Modern Pulse Oximeters
Masimo pulse oximetry is used to monitor more than 200 Million patients annually. Reference 1
Masimo SET® is the primary pulse oximetry technology used at 9 of the top 10 hospitals as ranked in the 2022-23 U.S. News & World Report Best Hospitals Honor Roll. Reference 2
Masimo SET® has been shown in over 100 studies to outperform other pulse oximetry technologies in hospital use. Reference 3
For Masimo W1, we have adapted monitoring technology based on Masimo SET® pulse oximetry to optimize the capture of health data on the wrist.
The first of its kind, the Masimo W1 offers accurate, continuous health data and actionable health insights – from the leader in hospital pulse oximetry – in a personal, lifestyle-friendly watch. Masimo W1 provides a variety of physiological data – including for the first time Hydration Index (Hi) alongside oxygen level (SpO2),* pulse rate, pulse rate variability, heart rate, pleth variability index, and perfusion index – for consumers wanting to make better informed health and lifestyle decisions, improve their fitness, or track their health data on their own or with friends and family.
Oxygen level (SpO2)*
Oxygen levels in your blood can change with heart and lung function, activity, and altitude
Hydration Index (Hi)
An index calculated to reflect your relative level of hydration; studies have shown that optimal hydration can improve sleep quality, cognition, mood, and more
Pulse rate (PR)
How often the heart pushes blood through your body, which can change with general health, physical activity, and with your mental or emotional state (e.g., stress, anxiety)
Heart Rate (HR)
The number of times the heart beats in a minute, based on electrical signals
Pulse Rate Variability (PRV)
The changes in your pulse rate that can show how consistently your blood is being pushed through your body, even with exercise or under stress
Pleth Variability Index (PVi®)
A calculation based on the changes in your perfusion index, which may be affected by your fluid volume during your respiration cycle and can increase with lower fluid levels
Perfusion Index (Pi)
A calculation of the relative strength of your pulse, which changes based on your circulation
Oxygen level (SpO2)*
Oxygen levels in your blood can change with heart and lung function, activity, and altitude
Hydration Index (Hi)
An index calculated to reflect your relative level of hydration; studies have shown that optimal hydration can improve sleep quality, cognition, mood, and more
Pulse rate (PR)
How often the heart pushes blood through your body, which can change with general health, physical activity, and with your mental or emotional state (e.g., stress, anxiety)
Heart Rate (HR)
The number of times the heart beats in a minute, based on electrical signals
Pulse Rate Variability (PRV)
The changes in your pulse rate that can show how consistently your blood is being pushed through your body, even with exercise or under stress
Pleth Variability Index (PVi®)
A calculation based on the changes in your perfusion index, which may be affected by your fluid volume during your respiration cycle and can increase with lower fluid levels
Perfusion Index (Pi)
A calculation of the relative strength of your pulse, which changes based on your circulation
The Watch You Sleep With
True 24/7 continuous health data that tracks with your activities day and night, so nothing is missed
Health Data That's Always There
Giving you the power to access your health data immediately
Health Data That's Always There
Giving you the power to access your health data immediately
The Watch You Sleep With
True 24/7 continuous health data that tracks with your activities day and night, so nothing is missed
Keep Pace and Reach New Heights
Optimize your performance and get in tune with how your body reacts
Maximize Your Rest, Refresh Your Health
With the Masimo SafetyNet service we provide you the information that matters in the Sleep Report with an option to have your sleep report reviewed by a certified clinician
Maximize Your Rest, Refresh Your Health
With the Masimo SafetyNet service we provide you the information that matters in the Sleep Report with an option to have your sleep report reviewed by a certified clinician
Keep Pace and Reach New Heights
Optimize your performance and get in tune with how your body reacts
Get and Stay Healthy Together
Share and view health and activity data, updated in near real time, with friends and loved ones
Get and Stay Healthy Together
Share and view health and activity data, updated in near real time, with friends and loved ones
Masimo Health app
| Basic $7.99/month or $79/year |
Advanced $18.99/month or $189/year |
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| In-app insights into your health data trends | ✓ | ✓ | |
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In-app analytical tools provide deep insights into key health signs as they change over time. |
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| Access to new health data and app features | ✓ | ✓ | |
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Gain instant access to features and enhancements as they become available. |
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| Access to instant software updates | ✓ | ✓ | |
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Gain instant access to software enhancements as they become available. |
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| Health data sharing | ✓ | ✓ | |
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Share your health data seamlessly with friends and family for 24x7 visibility into your loved ones' health. |
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| Secure Data Storage | ✓ | ✓ | |
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Your health data is stored securely in the Masimo Health cloud while your account is active. |
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| In-depth health reports | — | ✓ | |
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Automated reports with in-depth insight into your recent health data, summary scores and recommendations with key insights from health and wellness data that impact your physiology |
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| Automatic assessment of overall wellness and sleep health quality — coming soon | — | ✓ | |
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Insights into your bio-signals, empowering you to take action. |
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| Health Coach — coming soon | Pay per session | Pay per session | |
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Your personal health coach can help you implement lifestyle changes and reach your wellness goals. |
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