Casio Oceanus Watches – See Our Five Favorites


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Casio is primarily known for their durable, multi-functional, and sporty watches like the G-Shock, but they also have some elegant timepieces in their catalog. The Casio Oceanus is a fairly new brand under the popular manufacturer. The Oceanus watch line first made its debut back in 2004. It features a classy and elegant design, similar to that of what Edifice offers, but comes with a few twists to separate itself from the pack.

One of the most distinctive features of the Oceanus is its domed sapphire crystal. Personally, domed dial windows deliver an exceptional level of elegance to timepieces. This gives Casio Oceanus watches a significant edge over Casio’s flagship watch brands in terms of aesthetics, if you prefer a traditional design, that is.

Another aspect of the Oceanus watch is that it neither uses resin or stainless-steel in the construction of its cases. Rather, it exclusively uses titanium with its case build. Each Oceanus timepiece also features titanium carbide coating which adds to its overall durability and scratch resistance. Additionally, Oceanus timepieces have a wide range of watch sizes with some having a 39mm case, making it a perfect timepiece for those with smaller wrists.

Each Oceanus timepiece incorporates five key features that have become its signature build. Firstly, all Oceanus watches use analog dials, which is already a step towards a different direction for a Casio watch that typically incorporates digital displays. Oceanus watches also feature a five-motor drive and multi-band 6 atomic timekeeping. Each Oceanus model also uses scratch-resistant sapphire crystal glass. Finally, Oceanus watches all have built-in GPS, making them an ideal watch for those who love to travel.

Overall, the Casio Oceanus timepiece is a great choice for those who are looking for versatile wristwear that can accentuate a professional style while also being an excellent casual accessory.

In honor of those five key features we’ve selected five of our favorite Oceanus models below:

Best Casio Oceanus Watches

Casio Oceanus OCW-S100-1AJF

CASIO OCEANUS OCW-S100-1AJF tough solar radio men's watch
Casio Oceanus OCW-S100-1AJF (Image: Amazon)

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While the Casio Oceanus generally employs a chronograph design, the OCW-S100-1AJF takes a more minimalist and traditional approach with its three-hand dial design. Due to it having a basic build and design, it is considered to be among the most user-friendly Oceanus watch model available. It also comes with a date display which is located over at the 3 o’clock position.

As this is a Casio watch, you can expect the Oceanus to have some slight similarities with some of Casio’s top-tier watch brands as well. In particular, the Oceanus has a relatively solid shock-resistant build. It is also surprisingly light despite its appearance as the case is made from titanium instead of stainless steel. Also, of note is the Sallaz or Zaratsu polishing implemented with the 41.5mm case which gives the OCW-S100-1AJF a high-end charm.

As for performance, the Oceanus OCW-S100-1AJF is equipped with a multi-band 6 atomic timekeeping for excellent accuracy no matter where you are in the world. The watch also has a decent 100-meter water resistance rating.

Casio Oceanus OCW-T150-2AJF

Casio Oceanus OCW-T150-2AJF Multiband 6(Japan Import-No Warranty)
Casio Oceanus OCW-T150-2AJF (Image: Amazon)

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The Oceanus OCW-T150-2AJF model also features the traditional three-hand analog dial design with an extra date display that you can find over at the 3 o’clock position. When it comes to aesthetics, the cool glacial blue dial is easy on the eyes. You will also notice another featured display over at the 8 o’clock position which is the battery charge warning gauge.

Key features include a polished 41.3mm full titanium case and bracelet and a World Time (29 cities). The World Time operates via the multi-band atomic 6 timekeeping which allows the OCW-T150-2AJF to automatically adjust its time depending on which time zone you are in via radio signals. The OCW-T150-2AJF uses a Japanese quartz movement and also has 100-meter water resistance.

Overall, the aquamarine dial and polished titanium case give the Oceanus OCW-T150-2AJF a very cool and icy aesthetic. It also has a solid build and an excellent timekeeping performance which helps further elevate the Oceanus brand up the ranks.

Casio Oceanus Cachalot OCW-P1000-1AJF

CASIO OCEANUS CACHALOT OCW-P1000-1AJF Japan import
Casio Oceanus Cachalot OCW-P1000-1AJF (Image: Amazon)

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The Oceanus Cachalot is a perfect companion for navigators as it is designed for land, sea, and air. The dial is packed with features to assist outdoor enthusiasts. You will find a digital compass over at the chapter ring which, in conjunction with the North and South markers, will help wearers keep track of their current bearings. There is a bottom sub-dial that tells the current day as well. Other features include a 1.20-second stopwatch and a daily alarm function.

When it comes to what makes the OCW-P1000-1AJF tick, it utilizes a solar quartz movement that has an accuracy of +/- 15 seconds. The Cachalot also has a battery life that is expected to last for up to 22 months with the power-saving feature on a single charge. The watch also has an alarm that will notify you if the battery will need to be recharged soon. But since it can recharge its battery via natural and artificial lighting, the battery running low is virtually impossible unless you purposely left it in the dark.

As for external specs, the Oceanus Cachalot OCW-P1000-1AJF features a 49mm titanium case and a water resistance for up to 100-meters. The watch also has prominent lugs and crowns that make operating the timepiece quite easy, even with large hands.

Casio Oceanus OCW-S5000E-1AJF

CASIO OCEANUS OCW-S5000E-1AJF Radio Solar Watch (Japan Domestic Genuine Products)
Casio Oceanus OCW-S5000E-1AJF (Image: Amazon)

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We now enter the chronograph division of Oceanus and it is quite impressive, to say the least. First of all, the OCW-S5000E-1AJF has a sleek and stunning titanium case with a 42.3mm diameter. It features high-spec features such as a stopwatch, advanced time-correction, and daylight-saving time. Additionally, the OCW-S5000E-1AJF has Bluetooth connectivity which allows it to connect to your smartphone and take advantage of the Oceanus Connected app which further expands its functionality.

The World Time functionality can be accessed once you connect to the Oceanus Connected app which grants users access to over 300 city time zones. This is a high-end Oceanus watch as you can see from the extra advanced technology that comes with the package. For example, the OCW-S5000E-1AJF is equipped with solar-powered technology and GPS functionality. In terms of design, the chronograph design is nicely incorporated into the black dial.

Casio Oceanus OCW-G2000G-1AJF

CASIO Watches Oceanus Bluetooth-Enabled GPS Solar Radio OCW-G2000G-1AJF Men's (Japan Domestic Genuine Products)
Casio Oceanus OCW-G2000G-1AJF (Image: Amazon)

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The Oceanus OCW-G2000G-1AJF is a premium-grade timepiece that is packed with features and comes with an elegant and sophisticated design that showcases why it is at the top of Oceanus’ catalog. At first glance, the dial of the OCW-G2000G-1AJF may seem a bit too ‘busy’, but Casio manages to deliver it in a highly organized manner and prevent a cluttered feel.

The Oceanus OCW-G2000G-1AJF comes with several functionalities that make it a fantastic timepiece. Users will have access to a stopwatch, World Time (via Bluetooth connectivity), auto-hand correction, airplane mode, and a power-saving function to help you optimize battery use. One of the most impressive achievements of the Oceanus OCW-G2000G-1AJF is its top-tier accuracy. This precision in timekeeping is made possible via the GPS signals that the OCW-G2000G-1AJF received from radio waves. This also means you have no need to manually adjust the watch as it can do so automatically.

Due to its impressive ability to keep up to date no matter where you are in the world, the OCW-G2000G-1AJF is best suited for those who constantly travel. In addition to its reliability, the OCW-G2000G-1AJF is also quite comfortable and is a stunning timepiece. If you are looking for an up-and-coming watch brand that delivers on all fronts, we highly recommend you check out what the Casio Oceanus has to offer. The Oceanus brings a level of refinement and quality that can easily elevate it to a new level for Casio- which is known for is stereotypically known as one of the most affordable watch brands in the market.

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