TECHNICAL FIELD

The present description relates generally to wearable devices, and, more particularly, to modular configurations for watches.

BACKGROUND

Electronic devices that can be worn on a user's wrist and do more than act as a simple time piece are growing in popularity. A variety of wearable electronic devices, including watches, have been developed that include components to provide a variety of functions. For example, some wearable electronic devices include one or more sensors to measure various characteristics of the user and/or the environment in which the device operates. Such devices may include a display to indicate the time and date. The devices may also include accelerometers and one or more sensors that enable a user to track fitness activities and health-related characteristics, such as heart rate, blood pressure, and body temperature, among other information. The devices also typically include a rechargeable battery that powers the electronics within the device.

