Replacement Black Canvas Strap for Cartier Ballon Bleu WSBB0015 – Convex

【Replacement Black Canvas Strap for Cartier Ballon Bleu WSBB0015 – Convex End Fit】 – Precision-engineered replacement strap (黑色帆布尼龙表带) designed specifically for Cartier Ballon Bleu de Cartier WSBB0015 “Black Knight / 黑骑士” 42mm model-. Features the signature convex end (凸口) that seamlessly integrates with the Ballon Bleu's distinctive pebble-shaped case architecture. Crafted from durable black nylon canvas fabric – the same textile material used on original WSBB0015 models-15-. Essential replacement part for restoring or upgrading your Black Knight timepiece.

Perfect Fit for WSBB0015 “Black Knight” – Specifically engineered for Cartier Ballon Bleu reference WSBB0015 – 42.1mm case diameter, 13mm thickness--15. The precision convex 凸口 design ensures a seamless, gap-free installation that looks OEM. Fits the 20x18mm lug specification with 凸口12X2-.

Durable Nylon Canvas Construction – Crafted from high-quality black nylon canvas fabric – waterproof, stain-resistant, and easy to clean-15. The textile material was used on original WSBB0015 models, reinforcing the luxury appeal of the Cartier brand-15. Perfect for year-round wear in any environment.

Stealth Black Knight Aesthetic – Complements the ADLC carbon-coated black case (非晶金刚石碳镀层精钢)- and black guilloché dial with Roman numerals-15. The all-black canvas strap maintains the stealthy, masculine aesthetic that defines the WSBB0015-. Features 剑形夜光精钢指针 that stand out against the black dial-.

OEM-Spec Alternative – Precision-crafted to match original Cartier specifications. A cost-effective solution compared to OEM Cartier straps. Note: These are aftermarket replacement parts, not genuine Cartier® parts.

Easy Installation – Direct replacement for the original strap. Compatible with standard spring bar tools. Simple DIY installation.