Casio Oceanus Manta OCW-SG1000MC: The Most Expensive Oceanus Ever Has a Bezel No One Else Will Own
Casio is the name you know for $20 digital watches. But its newest piece costs more than many Swiss watches, only 300 will ever exist, and no two look the same. Meet the Casio Oceanus Manta OCW-SG1000MC: a black titanium watch with a swirling marble ceramic bezel, a glossy black ceramic dial, and solar tech borrowed from a spacecraft that landed on the Moon.
- Most expensive Oceanus ever: ¥748,000 (about $4,700 with tax).
- Only 300 pieces worldwide, each with a serial number on the caseback.
- Marble ceramic bezel: black and white ceramic mixed together, so every bezel pattern is different.
- Space tech: Gallium Tough Solar, based on Sharp solar cells used on Japan's SLIM Moon lander.
- Release: November 13, 2026, in Japan only (for now).
What Is the Casio Oceanus Manta OCW-SG1000MC?
Oceanus is Casio's premium analog watch brand. It lives in the shadow of the famous G-Shock, but it has been quietly building high-end titanium watches for more than 20 years. Inside Oceanus, the Manta line is the flagship. It started in 2007 and is known for very thin cases, titanium, and careful finishing.
Casio says a watch must meet its highest standards for materials, design and finishing to wear the Manta name. The new OCW-SG1000MC-1AJR pushes those standards further than any Manta before it. Casio calls the theme "Ocean Surge": the power and calm of big ocean waves.
The Marble Ceramic Bezel: Why Every Watch Is One of a Kind
Older Manta models used bezels made of titanium or sapphire crystal. This one switches to ceramic. Casio mixes black and white ceramic together, then sinters (bakes) it, machines it and polishes it. The two colors never blend the same way twice, so each of the 300 bezels has its own pattern. Where black meets white, soft blue-green tones appear, like foam on a dark sea.
24 facets and a curved top
The bezel is cut with 24 facets and finished with a curved upper surface. The result mixes sharp, angular lines with the glossy, almost liquid shine that only ceramic can give.
“Because black and white ceramic never mix the same way twice, the person who buys watch No. 1 and the person who buys No. 300 will each own a bezel nobody else has.” — CAIRO TIMES 24 WATCH DESK
Black Ceramic Dial and an Exposed Date Wheel
Casio doubled down on ceramic for the face too. The dial is made of polished black ceramic. A large opening shows the skeletonized metal date wheel underneath, something earlier Manta models did not have. Around the edge sits the classic Manta world-time ring with city names.
Space-Age Tech: Gallium Tough Solar From the SLIM Moon Lander
Normally, a solar watch needs a see-through dial so light can reach the cell. Ceramic is not see-through. So how does this watch charge?
The answer is Gallium Tough Solar. It adapts Sharp's photovoltaic technology used on spacecraft, including Japan's SLIM Moon lander. These cells collect enough light from a much smaller area. That means Casio only needs a few small openings in the dial, and the rest can be solid black ceramic.
Same proven Manta movement inside
Under the new materials, this is the familiar Manta SG1000. You get a solar quartz movement with a stopwatch, full auto-calendar and world time. Bluetooth and Multiband 6 radio sync keep the time accurate to the second.
Casio OCW-SG1000MC Specs at a Glance
| Feature | Details |
|---|---|
| Reference | OCW-SG1000MC-1AJR |
| Case | Titanium with black DLC, 47.5 mm x 43 mm |
| Bezel | Marble ceramic (black + white), 24 facets |
| Dial | Polished black ceramic, exposed date wheel |
| Power | Gallium Tough Solar quartz |
| Timekeeping | Bluetooth + Multiband 6 radio sync |
| Functions | World time, stopwatch, full auto-calendar |
| Water resistance | 100 m |
| Bracelet | Titanium with black DLC |
| Limited to | 300 pieces, serial number on caseback |
| Price | ¥748,000 (tax incl.) |
Price, Release Date and Availability
The OCW-SG1000MC costs ¥748,000 including tax. That is about $4,700, or roughly $4,300 before Japan's 10% consumption tax. It goes on sale in Japan on November 13, 2026.
Right now, it is only listed on Casio's Japanese website. There is no word yet on US or global sales. With only 300 pieces, collectors outside Japan may need to move fast, or rely on resellers.
How it compares to last year's Edo Kiriko Manta
Last year's special Manta, the OCW-SG1000CN-1AJR, used a hand-cut Edo Kiriko sapphire bezel. It cost ¥682,000 and was made in 600 pieces. The new model costs ¥66,000 more and is twice as rare.
The Oceanus Manta line launches as Casio's thin titanium flagship.
OCW-SG1000CN: Edo Kiriko sapphire bezel, 600 pieces, ¥682,000.
OCW-SG1000MC revealed: marble ceramic bezel, 300 pieces.
Release in Japan at ¥748,000.
Why This Watch Matters for Casio
Casio is clearly moving upmarket. Just a week earlier, G-Shock revealed its most expensive watch ever: an $80,000 quartz piece made from blue sapphire and 24-carat gold. The OCW-SG1000MC is far more attainable, but it sends the same message. Casio wants to be taken seriously as a maker of luxury watches, not just cheap, tough ones.
For Oceanus, which often flies under the radar, a one-of-a-kind ceramic bezel and Moon-lander solar tech could be exactly the story it needs to win new fans.
FAQ: Casio Oceanus Manta OCW-SG1000MC
❓ How much does the Casio Oceanus Manta OCW-SG1000MC cost?
¥748,000 including tax, roughly $4,700 (about $4,300 before tax). It is the most expensive Oceanus watch ever.
❓ When is it released and how many will be made?
It goes on sale in Japan on November 13, 2026. Only 300 pieces will be made, each with a serial number on the caseback.
❓ What makes the bezel unique?
Black and white ceramic are mixed, sintered, machined, polished and cut with 24 facets. The colors never mix the same way twice, so every bezel has its own marble pattern.
❓ What is Gallium Tough Solar?
Casio's solar system based on Sharp spacecraft solar cells, including those on Japan's SLIM Moon lander. It needs less light-collecting area, so the dial can be solid black ceramic with small openings.
❓ Will it be sold in the US?
Not yet announced. For now it is only listed on Casio's Japanese website.
The Casio Oceanus Manta OCW-SG1000MC is the boldest Oceanus yet: a marble ceramic bezel that is different on every watch, a black ceramic dial, and solar tech from a Moon lander, all in just 300 pieces. At ¥748,000 it is not cheap for a Casio, but for collectors who want something truly unique from Japan, it is a genuine grail.
This article is based on a report by Gear Patrol.
Read the original report ↗Additional sources: Notebookcheck · Hodinkee Japan
