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New Releases · 2026-04-14

Marathon’s CeraShell NAV brings ceramic armour to the quartz Navigator

The no-date CeraShell NAV uses a ceramic-coated aluminium shell, tritium tubes and a HeavyDrive quartz calibre.

By Chronolume digest · Original English summary · Based on Marathon Watch

Marathon CeraShell NAV front view
The no-date CeraShell NAV on ballistic nylon. Marathon Watch ↗

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This is a sourced news summary, not a hands-on review. Read the original reporting at Marathon Watch ↗

What to know

Marathon’s 41mm CeraShell NAV updates the stripped-back, no-date Navigator with a ceramic-coated aluminium outer shell over a 316L steel core. The construction keeps the familiar 48mm lug-to-lug military profile while measuring 11.5mm thick. A sapphire crystal, tritium hour markers and MaraGlo accents support low-light legibility.

Marathon CeraShell NAV side profile
The ceramic-coated shell seen from the side. Marathon Watch ↗

The watch is powered by an ETA F06.105 HeavyDrive quartz movement and is water resistant to 6 ATM. Reference WW194001BK-0801 uses 20mm lugs and ships on a black ballistic nylon strap. Marathon announced the CeraShell family in April 2026 with a US$550 price for this no-date version.

Marathon CeraShell NAV angled view
An angled official product view of the no-date NAV. Marathon Watch ↗

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Source & attribution

Marathon Watch · Published 2026-04-14 ↗