The FHF-Font 6498 watch movement, often recognized under the Unitas 6498 designation, is a highly respected manual-wind mechanical calibre known for its robustness, precision, and historical significance in horology.
Key Highlights of FHF-Font 6498 Movement
The 6498 movement originated in the mid-20th century and was originally developed by Fontainemelon Watch Co (FHF) before being acquired by ETA, who continued production under the Unitas brand.
It is a large-sized calibre with a diameter of approximately 36.6 mm (16.5”’ ligne), designed primarily for pocket watches but later adapted for wristwatches, especially pilot and military watches.
Manual winding mechanism with a power reserve of around 48 hours, allowing reliable timekeeping when fully wound.
The calibre operates at 21,600 vibrations per hour (3 Hz), providing good accuracy and smooth hand motion.
Known for its simple yet sturdy construction, it features 17 jewels and Incabloc shock protection, enhancing durability and serviceability.
The movement design is open and easily visible through transparent case backs, often decorated with Geneva stripes and polished finishes.
The large size allows a prominent small seconds subdial positioned at 6 o’clock, typical of historically inspired pilot watches.
It has been widely used by many watch brands, including luxury and independent manufacturers, for creating classical styled mechanical watches.
The FHF 6498 is appreciated for its ease of maintenance and has a reputation for reliability and precision in various applications.
This movement is a classic watchmaking masterpiece, combining traditional aesthetics with mechanical robustness, making it a favorite among enthusiasts and watchmakers alike for vintage and modern timepieces.
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Stem, Crown, Hands & Spares might be available for this movement.
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