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Japan : 6/21 13:46   EN
Europe, UK: Sunday, Jun 28 ~
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Australia: Saturday, Jun 27 ~
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UAE: Saturday, Jun 27

Order within 10 Hours 13 mins with Scheduled Delivery. If you place an order within this time, We will ship on Wednesday, Jun 24 2026 This delivery time is calculated by DHL and FedEx. You can check the exact delivery date on checkout page.

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     Description (5,015 characters)
[10 standard atmosphere waterproofing]
[Radio wave reception function] Receives standard radio waves from 6 stations around the world (2 stations in Japan, China, USA, UK, Germany) and automatically adjusts the time.
[Mobile link function] World time can be set easily and intuitively from about 300 cities, and it is possible to automatically respond to changes in time zones and daylight saving time.
Comfortable support for people traveling around the world on overseas trips and business trips
In addition, it is possible to check the battery level of the watch and correct the position of the hands with a smartphone, and the condition of the watch can be managed with digital technology via smartphone link.

[Other product specifications] Tough solar / automatic needle position correction function / world time / stopwatch / battery indicator / power saving / date and day display / full auto calendar
Based on the brand concept of "Elegance, Technology", OCEANUS, which combines advanced technology and sporty design, is a model that incorporates the blue hour* of a mysterious scene where the sky is dyed in deep blue and the horizon and horizon line appear vaguely bright.
Blue is applied to the in-dial rings at 12 o'clock and 6 o'clock, and pink gold is vapor-deposited on the edge of the windshield.
In addition, by applying blue IP to the bezel, the scene of blue hour is reproduced.
In terms of functionality, in addition to adjusting the time on the watch itself with the standard radio wave reception function, it is equipped with a time adjustment function with a smartphone link using Bluetooth®.
You can easily set the world time from about 300 cities
In addition, it is possible to check the battery level of the watch and correct the needle position with a smartphone.
High-quality finishing is applied down to the smallest details, such as sallaz polishing, which requires skill, and surface hardening of the case and band by titanium carbide treatment.
It is an elegant OCEANUS CLASSIC LINE that can be used in every scene, combining functionality and design.
*Blue Hour is the time period before sunrise and after sunset when the sky is dyed deep blue.
Mysterious scene where the intensity of orange changes depending on the atmospheric conditions of the day, and the horizon and horizon appear vague and bright

・ Tough solar (solar charging system)
・ 10 ATM water resistant function
・ Radio wave reception function: Automatic reception (maximum 6 times / day) (Chinese radio waves maximum 5 times / day) / manual reception, <Japan>
received radio waves: JJY, frequency: 40kHz / 60kHz (Fukushima / Kyushu Both stations compatible model) <North America region>
Received radio wave: WWVB, frequency: 60kHz <European region>
Received radio wave: MSF/DCF77, frequency: 60kHz/77.5kHz <China>
Received radio wave: BPC, frequency: 68.5kHz * Home time setting is set to a city where reception is possible, the station that matches the city

・ Mobile link function (function interlocking with compatible mobile phones via BluetoothⓇ communication)
・ Hand position automatic correction function
・ World time: 27 cities in the world (38 time zones *, with automatic summer time setting function + UTC (Coordinated Universal Time) time display, home time city replacement function * Updated by linking with a smartphone may be

・ Stopwatch (1 second, 24 hour meter)
・Battery indicator display ・Power saving function
・ Date and day of the week display
・ Full auto-calendar

・Automatic time adjustment ・Easy clock setting ・About 300 cities in world time ・Clock status display ・Premium Production Line production certificate
Compatible with our designated iPhone and Android smartphones
Please check the website for details such as devices whose operation has been confirmed and OS compatibility.
*Limited to devices equipped with Bluetooth
* Bluetooth is a registered trademark of Bluetooth SIG, Inc.
*"iPhone"
is a trademark or registered trademark of Apple Inc. registered in the United States and other countries.
*"Android"
and "Android logo"
are trademarks or registered trademarks of Google LLC.
* Other company names and product names are trademarks or registered trademarks of their respective companies.
* OCW-T4000D is certified by the Radio Law of Japan.
* Regarding the mobile link function, it depends on the specifications of the mobile phone itself and the service of the carrier of the country used, and it differs for each individual.



Tags:

Casio  G-SHOCK  Casio OCEANUS OCW-T200S  Navy blue  Casio OCEANUS Manta S5000 Series  カシオ メンズ 腕時計 オシアナス OCW-T4000A OCEANUS CLASSICLINE JapanIndigo〜藍〜 メンズ  Casio Men'S Oceanus OCW  


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CASIO Oceanus OW-T4000D-1AJF 4549526334672 [10 standard atmosphere waterproofing]
[Radio wave reception function] Receives standard radio waves from 6 stations around the world (2 stations in Japan, China, USA, UK, Germany) and automatically adjusts the time.
[Mobile link function] World time can be set easily and intuitively from about 300 cities, and it is possible to automatically respond to changes in time zones and daylight saving time.
Comfortable support for people traveling around the world on overseas trips and business trips
In addition, it is possible to check the battery level of the watch and correct the position of the hands with a smartphone, and the condition of the watch can be managed with digital technology via smartphone link.

[Other product specifications] Tough solar / automatic needle position correction function / world time / stopwatch / battery indicator / power saving / date and day display / full auto calendar
Based on the brand concept of "Elegance, Technology", OCEANUS, which combines advanced technology and sporty design, is a model that incorporates the blue hour* of a mysterious scene where the sky is dyed in deep blue and the horizon and horizon line appear vaguely bright.
Blue is applied to the in-dial rings at 12 o'clock and 6 o'clock, and pink gold is vapor-deposited on the edge of the windshield.
In addition, by applying blue IP to the bezel, the scene of blue hour is reproduced.
In terms of functionality, in addition to adjusting the time on the watch itself with the standard radio wave reception function, it is equipped with a time adjustment function with a smartphone link using Bluetooth®.
You can easily set the world time from about 300 cities
In addition, it is possible to check the battery level of the watch and correct the needle position with a smartphone.
High-quality finishing is applied down to the smallest details, such as sallaz polishing, which requires skill, and surface hardening of the case and band by titanium carbide treatment.
It is an elegant OCEANUS CLASSIC LINE that can be used in every scene, combining functionality and design.
*Blue Hour is the time period before sunrise and after sunset when the sky is dyed deep blue.
Mysterious scene where the intensity of orange changes depending on the atmospheric conditions of the day, and the horizon and horizon appear vague and bright

・ Tough solar (solar charging system)
・ 10 ATM water resistant function
・ Radio wave reception function: Automatic reception (maximum 6 times / day) (Chinese radio waves maximum 5 times / day) / manual reception, <Japan>
received radio waves: JJY, frequency: 40kHz / 60kHz (Fukushima / Kyushu Both stations compatible model) <North America region>
Received radio wave: WWVB, frequency: 60kHz <European region>
Received radio wave: MSF/DCF77, frequency: 60kHz/77.5kHz <China>
Received radio wave: BPC, frequency: 68.5kHz * Home time setting is set to a city where reception is possible, the station that matches the city

・ Mobile link function (function interlocking with compatible mobile phones via BluetoothⓇ communication)
・ Hand position automatic correction function
・ World time: 27 cities in the world (38 time zones *, with automatic summer time setting function + UTC (Coordinated Universal Time) time display, home time city replacement function * Updated by linking with a smartphone may be

・ Stopwatch (1 second, 24 hour meter)
・Battery indicator display ・Power saving function
・ Date and day of the week display
・ Full auto-calendar

・Automatic time adjustment ・Easy clock setting ・About 300 cities in world time ・Clock status display ・Premium Production Line production certificate
Compatible with our designated iPhone and Android smartphones
Please check the website for details such as devices whose operation has been confirmed and OS compatibility.
*Limited to devices equipped with Bluetooth
* Bluetooth is a registered trademark of Bluetooth SIG, Inc.
*"iPhone"
is a trademark or registered trademark of Apple Inc. registered in the United States and other countries.
*"Android"
and "Android logo"
are trademarks or registered trademarks of Google LLC.
* Other company names and product names are trademarks or registered trademarks of their respective companies.
* OCW-T4000D is certified by the Radio Law of Japan.
* Regarding the mobile link function, it depends on the specifications of the mobile phone itself and the service of the carrier of the country used, and it differs for each individual.

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4549526334672 In Stock
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