
Important Information
- Year of first Release — 2017
- Module Number — 5501
- Battery Type — Solar
OCW-G2000 Model Range *may be updated

OCW-G2000C-1A 
OCW-G2000S-1A 
OCW-G2000J-1A 
OCW-G2000G-1A 
OCW-G2000L-1A 
OCW-G2000E-1A OCW-G2000-2A OCW-G2000SB-2A
Official Marketing Focus from Casio
This model uses a blue sapphire glass bezel to create a vibrant Oceanus brand color. The sapphire glass bezel, which is high quality and scratch resistant, is blue-deposited to beautifully express the brand color. The brand color is beautifully expressed with the 4 o’clock side disc that has been subjected to blue sputtering. The three-dimensional bar index of the hour letters enhances visibility and achieves a high quality texture. In addition, the windshield features dual curve sapphire glass with a non-reflective coating on both sides that boasts a transparency of 99%, rough polishing that requires skill, and surface hardening of the case and band treated with DLC/titanium carbide. Has a high-quality finish.
Official OCW-G2000 Specs / Features *for base version OCW-G2000G-1A
- Case/Bezel Material: Titanium
- One push three fold type Nakadome with slide adjust mechanism
- Metal band (titanium)
- Solid band
- Neobright
- Sapphire glass bezel
- Antimagnetic watch (JIS class 1)
- Both sides anti-reflection coating sapphire glass (dual curve)
- Titanium carbide processing
- DLC processing (bezel part)
- 10 ATM water resistant
- Tough solar (solar charging system)
- GPS radio wave reception function: Automatic reception (time reception, maximum once/day)/manual reception (position reception, time reception)
- Standard radio wave reception function: Automatic reception (up to 6 times/day) (China radio wave up to 5 times/day)
<Japan> Received radio wave: JJY, frequency: 40 kHz/60 kHz (Fukushima/Kyushu station compatible model)
<North America Region> Received radio wave: WWVB, Frequency: 60 kHz
<Europe> Received radio wave: MSF/DCF77, Frequency: 60 kHz/77.5 kHz
<China> Received radio wave: BPC, Frequency: 68.5 kHz
*Standard time can be received for home time setting If you select a different city, you will receive stations tailored to that city. The time difference is set according to the set city or time zone. - Mobile link function (function interlocking with compatible mobile phones via Bluetooth® communication)
- Automatic needle position correction function
- Airplane mode
- World time: 39 cities around the world (39 time zones (may be updated by linking with smartphone), summer time automatic setting function) + UTC (Coordinated Universal Time) time display, home time city replacement function
- Stopwatch (1 second, 24 hours total)
- Battery charge warning function
- Power saving function (in a dark place, after a certain period of time, the hand movement is stopped to save power)
- Date/day display
- Fully automatic calendar
- When
using the drive time function without solar power generation from full charge : Approx. 7 months
Power saving state: Approx. 25 months
Home time city (city compatible with reception function)/Reception radio wave
Tokyo/Standard radio wave JJY40 in Japan JJY60
Los Angeles, Denver, Chicago, New York, Halifax / American standard radio WWVB
London, Paris, Athens / British standard radio MSF · German standard radio DCF77
Hong Kong / Chinese standard radio BPC
* GPS radio and standard radio reception If it is not performed or if it is not linked with the smartphone, it will work with normal quartz precision (average monthly difference ±15 seconds). - Size (H×W×D): 51.1×46.1×13.7mm
- Mass: 103g
Recent News about OCW-G2000
You ask, we answer…
The watch is good for swimming but not for deep diving.
CASIO’s original solar-charging system converts not only sunlight but also light from fluorescent lamps and other sources into power.
It’s the system for analogue movements achieves multi-functionality and easy operability simultaneously through a combination of multiple motors and an electronic crown.
You may manage all watch settings through your phone.
















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