The Breitling Calibre 45, while perhaps not as widely discussed as the brand's flagship in-house movements, represents a crucial and often overlooked component in Breitling's history and continues to play a significant role in specific models. This robust and dependable automatic movement, based on the ETA 2834-2, powers several Breitling watches, offering a blend of functionality, precision, and value. In this article, we will delve into the Breitling Calibre 45, examining its construction, performance, and the specific Breitling models that rely on this dependable workhorse. We will also touch upon its relationship to other Breitling movements, particularly the Calibre 17, which shares a similar base.

Understanding the Breitling Calibre 45: A Foundation of Reliability

The Breitling Calibre 45 is not an in-house movement designed and manufactured entirely by Breitling. Instead, it is a modified and chronometer-certified version of the ETA 2834-2. This is a common practice in the watch industry, where brands like Breitling take reliable base movements and enhance them to meet their specific standards for accuracy, durability, and aesthetic finishing.

The ETA 2834-2 is a well-regarded automatic movement known for its robustness and longevity. It operates at a frequency of 28,800 vibrations per hour (4 Hz), which translates to a smooth sweeping seconds hand and contributes to its accuracy. It typically features 25 jewels, though Breitling may add or modify this number in their Calibre 45 variant. The movement includes a hacking seconds function, allowing the seconds hand to be stopped when the crown is pulled out for precise time setting. The bi-directional winding rotor efficiently harnesses the motion of the wearer's wrist to power the watch, providing a power reserve typically around 38-42 hours.

Breitling's modifications to the ETA 2834-2, resulting in the Calibre 45, primarily focus on:

* Chronometer Certification: The most significant enhancement is the rigorous testing and certification by the Contrôle Officiel Suisse des Chronomètres (COSC). This certification guarantees that each Calibre 45 movement meets strict accuracy standards, typically ranging from -4 to +6 seconds per day. This commitment to precision is a hallmark of Breitling watches.

* Aesthetic Finishing: While the base movement is functional, Breitling often adds its own touches to the finishing, including perlage, Côtes de Genève stripes, and other decorative elements. This enhances the visual appeal of the movement, even though it is typically hidden behind a solid caseback.

* Adjustments and Optimizations: Breitling may also fine-tune the movement's components and lubrication to optimize its performance and longevity.

Breitling Watches Powered by the Calibre 45: A Trio of Distinct Styles

The Breitling Calibre 45 has been primarily used in three distinct Breitling models: the Headwind, the Transocean Day & Date, and the Galactic 44. Each of these watches offers a unique style and functionality while sharing the same underlying dependable movement.

1. Breitling Headwind: The Headwind represents a more classic and refined aesthetic within the Breitling lineup. While variations exist, the models powered by the Calibre 45 typically feature a clean dial design with easily legible hour markers and hands. The robust case construction and chronometer-certified accuracy make the Headwind a reliable and stylish everyday timepiece. The Headwind's design emphasizes legibility and functionality, making it a versatile choice for both casual and formal occasions. It is discontinued in favour of newer models.

2. Breitling Transocean Day & Date: The Transocean Day & Date offers a more sophisticated and elegant take on the Breitling aesthetic. This model features a prominently displayed day and date complication, adding both functionality and visual interest to the dial. The Transocean collection, in general, aims to capture the spirit of transatlantic travel and luxury, and the Day & Date variant, powered by the Calibre 45, embodies this ethos perfectly. The Calibre 45's reliable performance ensures that the day and date functions operate smoothly and accurately.

3. Breitling Galactic 44: The Galactic 44 is designed as a more robust and sporty watch, though maintaining a certain level of sophistication. The "44" in the name refers to the case diameter, indicating a substantial presence on the wrist. The Galactic 44 features a bolder dial design with larger hour markers and hands, enhancing legibility in various conditions. The Calibre 45 provides the reliable and accurate timekeeping expected of a Breitling sports watch. The Galactic 44 often incorporates features like a unidirectional rotating bezel, adding to its functionality as a tool watch.

Breitling Calibre 45 vs. Breitling Calibre 17: A Tale of Two ETA-Based Movements

The Breitling Calibre 17 is another commonly used movement within the Breitling collection. Like the Calibre 45, it is based on an ETA movement, specifically the ETA 2824-2. This begs the question: what are the key differences between the two movements?

breitling calibre 45