SAVOIR FAIRE Everything you need to know about the Calibre TH80-00, the new movement powering the TAG Heuer Monaco Evergraph

The Calibre TH80-00 is a new chronograph movement, specifically developed for the TAG Heuer Monaco Evergraph. ‘’TH80’’ refers to the movement family, whereas ‘-00’’ refers to the version within said family. In the present case, it is the very first one, introducing that new family of chronograph calibres. More than a name, it signals a new generation of movements—one that embodies TAG Heuer’s avant-garde approach to watchmaking.

The result of five years of work, the Calibre TH80-00 was co-developed by TAG Heuer and Vaucher Manufacture Fleurier. It is not derived from existing calibres. It introduces an entirely new architecture—and, more importantly, a fundamentally new chronograph mechanism fully developed in-house by the TAG Heuer LAB. This is not an evolution. It is a complete revolution in chronograph design.

The Calibre TH80-00 stands out through its groundbreaking approach to the chronograph complication, using a compliant mechanism where flexible components replace the mechanical articulations, such as arms and levers, traditionally found in other chronograph movements. The objective: reducing friction and thus wear and tear in the movement, therefore offering greater durability and reliability.

The Calibre TH80-00 also features a TH-Carbonspring oscillator: developed by the TAG Heuer LAB, it is antimagnetic, extremely light and shock-resistant, offering superior chronometric stability and performance.

In addition to these two TAG Heuer innovations, the Calibre TH80-00 beats at a high frequency of 5 Hertz, offering 1/10th of a second precision, features 70 hours of power reserve and boasts a COSC certification.

The Calibre TH80-00 breaks radically with conventional chronograph construction. There is no column wheel. No articulated joints. Instead, flexible components deform rather than pivot — enabling repeated operation of the chronograph with constant levels of performance.

The compliant mechanism is the core innovation of the Calibre TH80-00. Its components are engineered to deform in a controlled manner, replacing traditional mechanical articulations made of arms, levers and wheels. This results in fewer interacting parts, reduced friction, and less lubrication within the movement. The result: reduced wear, lower maintenance requirements, and enhanced long-term reliability and performance.

The objective with the Calibre TH80-00 was to put innovation at the service of the wearer, bringing real added value. Through all of its features, it is a chronograph movement engineered for superior durability, reliability and precision, offering lasting performance to its owner.

The Calibre TH80-00 is exclusive to the TAG Heuer Monaco Evergraph.

The Calibre TH80-00 stands apart across three key dimensions. Durability: less friction and reduced wear. Reliability: fewer mechanical interactions and stable performance over time. Precision: 5 Hertz frequency, TH-Carbonspring oscillator, COSC certification. An approach that places performance at the very core of the movement.

The Calibre TH80-00 has been engineered to minimize maintenance requirements: reduced component wear, and greater resistance to external stress.
However, like any high-end mechanical movement, a service every four to five years is recommended to ensure long-term precision and longevity.