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The Prologue  of your 
Quantum Precision journey

Designing and manufacturing high-ends clocks based on state-of-the-art atomic regulation

About

LEOTUM

Leotum is at the forefront of atomic clock manufacturing, crafting state-of-the-art timekeeping devices that redefine accuracy.

 

Our in-house design and manufacturing processes ensure that each clock reflects unparalleled precision.

 

Experience the future of timekeeping with Leotum's unique offerings that are simply unmatched in the market.

When Tradition encounters Technology, when Time meets

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Contact  Us

Step into the world of unparalleled accuracy with Prologue, the first atomic clock by Leotum. This innovative clock is engineered to redefine how we perceive time, offering exceptional precision and style. It serves not just as a timekeeper, but also as a statement piece for any setting. 

Prologue

Chip Scale Caesium
Atomic Clock

Combined with multi GNSS system for precise timing (or manual setting), the internal atomic clock provides a 100 nanosecond GNSS synchronisation with a <9E-10 second / month aging timing.

Nixie Display with Timing Features

Local or UTC time, with DST based on the GPS localisation.

A1/100s Timer and Chrono are also available, along side the result of the Equation of Time

High Quality Gauges, connectors and Toogle Switches

From custom made gauges to military grade toggles switches and connectors, the highest quality hardware was selected for both best performance and reliability.

Handmade Craftmanship

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Handmade   |   Individually tested   |  Numeroted Edition 

Discover the elegance of our handmade craftsmanship in atomic clock manufacturing. Each clock is carefully assembled and finished by hand, reflecting our commitment to detail. We individually test each piece, guaranteeing high-quality and unique artistry. With a numbered edition for each clock, you can own a timepiece that stands apart and showcases the dedication that goes into its creation. Elevate your space with one of our exclusive timekeepers.

High-End Materials

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Marine Grade Aluminium   |   Carbon fiber reinforced Nylon  |   Titanium

At Leotum, we pride ourselves on using only the highest quality materials in our atomic clocks. Our products feature marine-grade aluminum, carbon fiber reinforced nylon, and titanium, ensuring durability and precision. With advanced CNC machining and additive manufacturing techniques, each clock is crafted to meet the highest standards of excellence in both functionality and design. Experience the difference in quality with Leotum.

Military Grade Atomic Clock

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Ultra-high precision   |   Low Power consumption   |   Frequency Stability

Our atomic clocks embody cutting-edge technology suited from both military and industrial applications. Designed to endure a wide range of operating temperatures, these clocks offer superior frequency stability that you can rely on. Whether you're in a demanding work environment or just want the best for your home, our atomic clocks deliver unmatched accuracy and dependability.

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© 2025 by Leotum

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