Photos appear once Kronosti approves image use
Last checked Oct 26, 2026
View on Kronosti’s site ↗From Kronosti
All black. All titanium. All 300m. The most uncompromising configuration in the lineup. ✔ 300m Professional Diver ✔ 5-Year Global Warranty ✔ Ships Worldwide ✔ Secure Checkout The Ultra Black is the Shark Shadow Diver taken to its logical extreme — black case, black bezel, black dial. No contrast. No compromise. Grade 5 titanium throughout, rated to 300m, with Swiss BGW9 Super-LumiNova that activates in complete darkness. Invisible in daylight. Unmistakable at depth. Sapphire crystal with AR coating. Unidirectional ceramic bezel. For those who need nothing to stand out except the time. Key Features Ultra Black – Full Blackout Configuration 300m Water Resistance Grade 5 Titanium Case – Ultra-Lightweight Swiss BGW9 Super-LumiNova Sapphire Crystal with AR Coating Unidirectional Ceramic Bezel Designed for explorers. Built for those who go first. Specifications Case Material: Grade 5 Titanium Crystal: Sapphire with AR coating Lume: Swiss BGW9 Super-LumiNova Bezel: Unidirectional ceramic bezel Water Resistance: 300m / 30ATM Strap: Rubber (default) / Titanium (optional) Select your variant above and add to cart. Free worldwide shipping · 30-day returns · 5-year warranty.
Specifications
Details and photos come from Kronosti’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.
Case
- Diameter
- Not listed
- Lug-to-lug
- Not listed
- Thickness
- Not listed
- Thickness incl. crystal
- Not listed
- Lug width
- Not listed
- Material
- Grade 5 titanium
Movement
- Type
- Automatic
- Caliber
- Not listed
- Power reserve
- Not listed
- Functions
- Not listed
Crystal and bezel
- Crystal
- Sapphire
- Bezel
- Not listed
Water resistance
- Rated to
- 300 m
Dial and lume
- Dial
- Not listed
- Lume
- Swiss BGW9 Super-LumiNova
Strap
- Strap
- rubber
Every spec Kronosti lists
- Lume
- Swiss BGW9 Super-LumiNova
- Bezel
- Unidirectional ceramic bezel
- Strap
- Rubber (default) / Titanium (optional)
- Crystal
- Sapphire with AR coating
- Case Material
- Grade 5 Titanium
- Water Resistance
- 300m / 30ATM
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