The Titanium Field Guide

Casio Oceanus Manta OCW-S5000-1A

The Casio Oceanus Manta OCW-S5000-1A is a current-production watch with a Titanium case, finished with titanium carbide; dlc bezel. At 82 g it sits around the middle for watches in the guide, and is priced well under the $1,900 median across the guide. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

Titanium other watchesUnder $1,000Under 11 mm thickLightweightLightest, rankedSolarWorldtimer
Price
$810
Titanium
Titanium
Weight
82 g
Water resistance
100 m
Nickel-free
Yes
Type
Other
Case diameter
42.3 mm
Thickness
9.5 mm
Origin
Japan
Movement
Tough Solar (Multi-Band 6 + Bluetooth)
Caliber
Casio (Tough Solar)
Complications
Worldtimer
Case shape
Round
Case colour
Black
Finish technology
DLC
Surface treatment
Titanium carbide; DLC bezel
Caseback
Titanium
Bracelet / strap
Titanium
Crystal
Sapphire
Display back
No
Dial
Blue / silver
Dial colours
Silver Blue
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Power reserve, Titanium bracelet, Lume Help verify
Medium confidence Verified Jun 2026 Source: casiofanmag Maker / listing ↗
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Frequently asked questions

Is the Casio Oceanus Manta OCW-S5000-1A nickel-free?

Yes. Nothing nickel-bearing touches the skin: a Titanium case with a titanium caseback, plus a non-steel crown and bracelet and clasp. The Titanium Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

What grade of titanium is the Casio Oceanus Manta OCW-S5000-1A?

The Casio Oceanus Manta OCW-S5000-1A has a Titanium case with a titanium caseback. It is recorded at medium confidence pending a maker-stated grade.

What size is the Casio Oceanus Manta OCW-S5000-1A?

It is 42.3 mm in diameter, 9.5 mm thick, and water resistant to 100 m.

How much does the Casio Oceanus Manta OCW-S5000-1A weigh?

About 82 g.

How much does the Casio Oceanus Manta OCW-S5000-1A cost, and is it available?

It is current-production and lists from $810.

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