EST. 1905 SWISS HOROLOGY

TIME.
ENGINEERED.

Mechanics refined through four generations.
Designed to outlast the moment.

Discover the Chrono
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Not built.
Mastered by Hand.

There is a profound difference between assembling a watch and bringing one to life. Every Aurum is a study in restraint, hand-tuned in Switzerland until the smallest micro-component achieves mathematical harmony.

500+ Hours Hand-Crafted
0.001mm Tolerance Level
100% In-House Movement

A / 1905

Nothing left
to chance.

Engineered from aerospace-grade materials, pressure tested under extreme conditions, and hand-finished by master watchmakers.

01 CALIBRE A-1905

Swiss
Movement

Calibrated for unyielding accuracy running at 28,800 vibrations per hour with a silicon balance spring.

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02 9 MOHS HARDNESS

Sapphire
Crystal

Dual-domed synthetic sapphire crystal with triple anti-glare coating for pure optical clarity.

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03 70H CONTINUOUS

70 Hour
Reserve

Twin barrel architecture delivering continuous power reserve even when the world pauses.

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04 10 ATM / 100M

Water
Resistant

Reinforced screw-down crown and triple-gasket seals built to withstand a depth of 100 metres.

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Hand-Finished in Le Locle, Switzerland — Every case component undergoes 120 individual polishing stages. Explore Mechanical Specs
A CHRONO

Precision in
every component.

A self-winding calibre beats beneath the surface. Its architecture is open-sculpted to deliver remarkable chronometric accuracy, day after day.

Explore the mechanism

Made for
the long view.

Case diameter 0mm
316L Surgical Steel
Power reserve 0hrs
Twin Barrel Spring
Movement Automatic
Calibre A-01 In-House
Water resistance 0m
Screw-Down Crown

One watch.
Infinite moments.

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