Replacement Chapter Ring Compatible with Luminox Modern Mariner Black Out 6251BO , 6501BO Series

Restore the original internal bezel structure and tactical-diver appearance of your watch with this replacement chapter ring, designed for the Luminox Modern Mariner Black Out 6251BO and 6501BO series.

Positioned between the crystal and bezel assembly, the chapter ring helps support proper bezel alignment and contributes to the overall internal case structure while maintaining the bold maritime-inspired styling associated with the Modern Mariner collection.

Manufactured to match the original dimensions, fitment profile, and seating structure, this replacement component ensures proper installation and close-to-original appearance when installed correctly. Ideal for replacing cracked, worn, damaged, or deformed originals during restoration and servicing projects.

(Not an OEM part and not affiliated with Luminox — compatible replacement only.)

Compatible Models

Suitable for selected Luminox Modern Mariner models including:

• Luminox Modern Mariner 6251BO Series
• Luminox Modern Mariner 6501BO Series
• XS.6251.BO
• XS.6501.BO
• Other compatible Modern Mariner models with matching chapter ring configuration

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