Casio Oceanus OCW-T4000 Watches

*OCW-T4000C-3A — Updated February 2022 Color!

About the Watch in short. The watch features high-quality finishing in every detail, including zaratsu polishing. As for functions, in addition to time correction by using the standard radio wave receiving function, the watch is equipped with a time correction function using a smartphone link via Bluetooth®.

OCW-T4000 Model Range *may be updated

Official OCW-T4000 Specs / Features *for base version OCW-T4000-1A

  • 100 meter water resistance
  • Sapphire glass with non-reflective coating
  • Bluetooth
    This watch can be connected to a smartphone or PC using Bluetooth interface.
  • Chronograph
    You can measure the amount of time between two events using this watch.
  • Glowing Hands
    The hands of this model have a luminous layer that glows in the dark.
  • Glowing Markers
    The markers of this model have a luminous layer that glows in the dark.
  • Perpetual Calendar
    Will automatically show you day, date and month, including leap years until the year 2100.
  • Power Reserve Indicator
    You will always know how much energy your watch has and when it should be charged or winded.
  • Radio Controlled
    This watch receives a calibration radio signal, ensuring that the displaying time is always exact.
  • Solar Powered
    This watch can be charged from almost any light source and run few months or more in the dark when fully-charged
  • World Time (nearly 300 cities)
  • Date and Day display
  • 24 Hours Format display