Fixture data. The watches, makers, studies, shops and figures on this page are invented for testing. None of it is a real finding, so please don't rely on it or try to buy anything.

TechSussd

Fixture Maker C

Fixture Watch 7

Model number FXC-7

What the published evidence says about this watch, metric by metric. Every accuracy, compatibility and specification fact on a device page links to its source and shows its date. How we grade it.

Accuracy evidence

  • Heart rate at rest

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Heart rate in steady exercise

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Heart rate in interval exercise

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Step count

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Energy expenditure

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • Sleep duration

    Validated

    1. Measured during sleep in 26 people, against a reference of polysomnography: average bias of -18 min (limits of agreement -52 to 16 min). Meets our threshold.

      Against polysomnography in 26 adults, Fixture Watch 7 underestimated total sleep time by a mean of 18 minutes (limits of agreement -52 to 16 minutes).

      Study
      Fixture Study Nine: sleep duration in a lab, Journal of Fixture Science
      Study grade
      A · Peer-reviewed
      Funding
      Independent funding.
      Read
      Retraction check

  • Sleep staging

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • VO2max estimate

    Unvalidated

    No published test we can use yet. That's not proof it's poor, just no evidence either way.

  • GPS distance and pace

    Limited

    1. Measured in steady exercise in 40 people, against a reference of surveyed course: error of 6.5% (mean absolute percentage error). Misses our threshold.

      Distance error was 3.1% for Fixture Watch 1 and 6.5% for Fixture Watch 7.

      Study grade
      A · Peer-reviewed
      Funding
      Funded by the maker.
      Read
      Retraction check

Works with your phone?

  • Android, pairing: Works. Needs Android 12 or later.

    Maker states Fixture Maker C: compatibility, checked

    Fixture Watch 7 pairs with Android phones running Android 12 or later.

  • iPhone, pairing: Works. Needs iOS 17 or later.

    Maker states Fixture Maker C: compatibility, checked

    Fixture Watch 7 pairs with iPhone running iOS 17 or later.

Check it against your phone

Specification: claimed and measured

Where to buy

A price we checked more than 6 hours ago is shown as last seen, not as current. Prices are the delivered total where the retailer tells us delivery; otherwise we send you to see the price there.

  • £219.99 delivered

    Lowest delivered price of the 2 retailers we checked.

    Fixture Retailer Four, checked at on . Returns within 30 days.

    Ad See it at Fixture Retailer Four

  • £223.98 delivered

    Fixture Retailer Two, checked at on . Returns within 14 days.

    Ad See it at Fixture Retailer Two