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Case Study – 2022

Citizen. CZ Smart. YouQ.

Combining NASA research and IBM Watson Machine Learning to bring industrial-grade fatigue management and alertness forecasting to Citizen Watch customers.

Project Description

CZ Smart YouQ is a mobile and wearable application pair that provides users with unique insights into their health and energy levels, by tracking activities and sleep, paired custom and engaging psychomotor vigilance-type tests in the application. The application, with information and recommendations based on the latest research from NASA and utilizing technology from IBM Watson, enables users to anticipate, optimize, and fix their power levels. WestLink designed and developed the wearable and mobile application(s) along with the backend system required to understand users’ chronotype (¹ = sleep pattern profile) and provide relevant recommendations. The mobile application was also built to enable Citizen to continuously add key articles to enhance the users’ experience without require app updates.
24 weeks
12 people


About Citizen

Citizen Watch Co., Ltd. is an electronics company primarily known for its watches and is the core company of a Japanese global corporate group based in Nishitokyo, Tokyo, Japan.

The company was founded in 1918.
Citizen launched the world’s first multi-band atomic timekeeping watch in 1993 and has remained a pioneer in this field.

  • Year of formation:

  • Annual financial turnover:

    $2.2b (2022)
  • Sector:

    Wrist watches
  • Number of employees:

    16,200 (2021)

Key Technologies


IBM Watson





Project Design

Client Testimonials


WestLink built us a fully functioning, dynamic, beautiful site that is easy to update and adjustable when needed. WestLink is knowledgeable, efficient, and fun to work with.

Dermeleve Advanced Derm Solutions LLC

They are very flexible in the manner in which they work. They are accurate and professional in presenting timelines and budgets, but also were able to switch to an ad-hoc basis as needed which is really helpful for us.

MAX Sports Health

WestLink has a very agile team. They’re able to understand how something is supposed to be done, and they can execute that from start to finish.

True Spec Golf

They’re wonderful to work with and were extremely helpful. I would go as far to say they are experts in their field. We are privileged to have their assistance on a regular basis.


The team was really dynamic and scaled up as we needed. We were happy with everything, no critiques.

Spray Valet

Our clients love our app! We now have the ability to scale to the size we want with technology and marketing that supports this growth.

ClinOne, Inc.

I have always been impressed with WestLink’s approach to communication. They integrate into your team and truly feel like augmented staff.


I was satisfied with WestLink’s work — they were great! We have about 4,600 customers using our app. Although we found a few bugs during the testing phase that they fixed, there were none once we launched the app.

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