$388
THE MATERIAL
Premium Titanium
We chose Premium Titanium, not an alloy, because purity matters. It is the same biocompatible material surgeons trust inside the human body. 100% nickel-free. Corrosion-proof. 45% lighter than steel.
No tarnishing. No replating. No maintenance. Wear it in the ocean, the gym, the boardroom. It will outlast everything else you own.
PURITY
Not an alloy, pure titanium
DENSITY
45% lighter than steel
NICKEL
ISO 10993 biocompatible
GUARANTEE
No tarnish. No maintenance.
What Is the Keel Chain?
MAISON AERO's signature link: structural geometric links inspired by naval keel architecture. Each link is precision-machined with a distinctive ridged profile that catches light at intentional angles. Not available from any other brand. The 7mm width gives the structural geometry room to read.
Who 7.0mm Keel Is For
Men who want a chain that reads as engineered rather than ornamental. The Keel is the most architectural chain in the catalog; the visual reference is closer to industrial design than to traditional jewelry. Best on wearers who already gravitate toward minimalist watches, structural shoes, and considered wardrobes.
How to Wear It
24" length sits mid-chest, the right drop for showcasing the link geometry. Pairs with monochromatic clothing where the chain's visual structure has room to read. Works as a single statement piece; not typically layered (the unique geometry doesn't play well with traditional link styles).
Specifications
- Material: TA1 Premium Titanium (99.5%+ pure)
- Weight: ~16g for the 24" length
- Profile: Structural keel links (proprietary geometry)
- Hypoallergenic: Yes, zero nickel
- Water rating: Fully waterproof
- Maintenance: None required
- Clasp: Titanium lobster clasp
Frequently Asked Questions
Why is the Keel chain only available at MAISON AERO?
The link geometry is proprietary to the MAISON AERO catalog. It is precision-machined from solid TA1 titanium billet using specialized tooling that most jewelry manufacturers do not have. The result is a chain that does not exist elsewhere in the market.
Does the Keel chain catch light differently than other chains?
Yes. The ridged link profile creates intentional light-catching surfaces that change as the chain moves. Most visible in directional lighting (sunlight, spot lighting); subtler in flat ambient light.
Will the Keel work for a formal occasion?
Yes. The brushed titanium finish and engineered aesthetic read as deliberate even in formal contexts. The link geometry is unusual enough that it reads as intentional design rather than ornament. Pairs well with charcoal and navy suiting.
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