OCWS4000-1A Manta S4000 Series
OCWS4000-1A Manta S4000 Series
OCWS4000-1A Manta S4000 Series
OCWS4000-1A Manta S4000 Series

OCWS4000-1A Manta S4000 Series

Regular price$2,299.00
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With "Elegance, Technology" as the brand concept, OCEANUS Manta pursues a high-quality finish and a thin and beautiful form. In addition to the time adjustment function of the watch itself using the standard radio wave reception function, it is equipped with a time adjustment function using a smartphone link using Bluetooth®.

You can set the world time from about 300 cities and automatically respond to changes in the time zone and daylight saving time. The dual coil motor enables speedy time adjustment. While equipped with these high-performance features, the thin and beautiful form unique to Manta Ray is realized by storing it in a slim case with a thickness of 11.7 mm.

A three-dimensional hour letter is matched to the face without the city code notation to ensure high visibility. In addition, a 16-sided polygonal bezel is used for an elegant design. The in-dial and outer ring are vapor-deposited to express OCEANUS blue. OCEANUS pursues a high-quality finish in every detail, such as dual-curve sapphire glass and rough polishing.



  • Model :  OCW-S4000-1AJF
  • Size : 48.3 x 43.3 x 11.7 mm
  • Weight : 88g
  • Case · Bezel Material: Titanium
  • One push three foldable clasp
  • Solid band
  • Metal band (titanium)
  • Neo Bright
  • Two-sided anti-reflective coating sapphire glass (dual curve)
  • Tachymeter
  • Titanium carbide treatment
  • 10 ATM water resistant
  • Tough Solar (Solar Charging System)
  • Radio reception function: Automatic reception (up to 6 times / day) (up to 5 times per day for Chinese radio waves / day)
    Received radio waves: JJY, Frequency: 40 kHz / 60 kHz (corresponding model for Fukushima / Kyushu both stations)
    Received radio wave: WWVB, frequency: 60 kHz
    Received radio waves: MSF / DCF 77, frequency: 60 kHz / 77.5 kHz
    Received radio wave: BPC, frequency: 68.5 kHz
    * If you set the home time setting to the time difference of a city that can receive standard waves, you will receive the station that matches the time difference.
  • Mobile link function (Function interlocking by compatible mobile phone with Bluetooth® communication)
  • Needle position automatic correction function
  • Dual time (27 time zone, with time change function with home time)
  • Stopwatch (1 second, 24 hours total)
  • Battery indicator display
  • Power saving function (In the dark it saves power by stopping the hand movement after a certain period of time)
  • Date / Weekday display
  • Full auto calendar
  • Drive time in the state without solar power generation from the time of full charge
    For function use: about 5 months
    In the case of power saving state: about 20 months
    * When radio wave reception is not done or when not cooperating with smartphone, it operates with normal quartz accuracy (average monthly difference of ± 15 seconds).

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