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Robust, sporty, and sleek, yet also refined, intriguing, sophisticated: the new ARMURE MU03 is a world of its own. Equipped with nO-Ring® mechanical direct-seal gasket-free water-tightness technology, the latest addition to MAURON MUSY is not only water-resistant to 300m, but also splash-proof and easy to handle under water.

An avant-garde partner ideal for all settings, including the most hostile environments. Entirely attired in anti-allergenic titanium, immediately recognisable by its industrial design and brushed finishes, it is just as well teamed with adventurers’ gear as with an evening outfit. This intrinsically noble model houses an exclusive Manufacture movement. The ARMURE MU03 is undoubtedly the first watch with a maintenance-free five-year guarantee.

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Material :Grade 5 Titanium
Diameter :Ø 44 mm
Components :36
Crystal :Sapphire, glareproofed 
Caseback :Transparent, in glareproofed sapphire crystal
Specific features :nO-Ring® technology by MAURON MUSY
Engraved serial number
Swiss Crafted
Mauron Musy - Case
Mauron Musy - Movement


Reference :Calibre MM01
Mechanism :Mechanical movement Swiss lever escapement 
Bidirectional automatic winding
Power reserve :55 hours
Frequency :28’800 vph (4 Hz)
Diameter :33 mm


Hour, Minute :By central hands
Second :By a central hand with a stop-seconds device
Date :Semi-instantaneous aperture-type display
Date corrector
Mauron Musy - Functions
Mauron Musy - Dial


Texture :Beadblasted matt
Color :Graphite
Hour-markers :Polished champlevé hour-markers and cartouches, hollowed by chemical engraving
Specific feature :Swiss Crafted label
Hands :Diamond-polished

Water resistance

Pressure :30 ATM (300 metres)
Specific feature :nO-Ring® by MAURON MUSY Patented direct mechanical sealing technology 

→ Discover the nO-Ring® technology
Mauron Musy - Water resistance
Mauron Musy - Strap


Rubber :Natural HNBR
Leather :Rawhide Timberland calfskin and smooth calfskin 
Case fastening :Standard spring-bar, 22 mm
Buckle :20 mm grade 5 titanium folding clasp
Specific feature :Each watch comes with a rubber strap and a leather strap.

Maintenance and serving

Advice :The nO-Ring® technology by MAURON MUSY helps keep servicing to a minimum, by eliminating the need to change seals. Pick up some tips on caring for your watch on our dedicated page.  

→  See the maintenance tips
Mauron Musy - Maintenance and serving
Know-how Mauron Musy