The Omega Seamaster line, renowned for its robust build and aquatic prowess, boasts a rich history intertwined with various movements. Among them, the Calibre 1164 stands as a significant chapter, representing Omega's adaptation of the highly respected ETA/Valjoux 7750, a workhorse chronograph movement that has powered countless timepieces. This article delves deep into the intricacies of the Omega Calibre 1164, exploring its technical specifications, examining its place within the Omega Seamaster family, comparing it to other movements like the Calibre 1154, and finally, compiling a list of watches that proudly house this reliable mechanism.
Omega Calibre 1164 Movement: A Closer Look
The Omega Calibre 1164 is, at its core, a derivative of the ETA/Valjoux 7750, a legendary automatic chronograph movement known for its robustness, accuracy, and relatively affordable production cost. While based on the 7750, Omega didn't simply slap its logo on the existing movement. The Calibre 1164 incorporates Omega's own finishing touches, quality control standards, and often, specific modifications tailored for integration within their specific watch models. This means subtle differences might exist between individual 1164 movements based on the watch they power.
Technical Specifications:
* Base Movement: ETA/Valjoux 7750
* Type: Automatic, Chronograph
* Jewels: 27
* Frequency: 28,800 vibrations per hour (4 Hz)
* Power Reserve: Approximately 48 hours
* Functions: Hours, minutes, seconds, chronograph (seconds, minutes, hours), date
* Finishing: Typically features Omega's signature finishing touches, including Côtes de Genève, perlage, and blued screws, though the extent can vary depending on the watch model.
The Calibre 1164's architecture is characteristic of the 7750: a column-wheel chronograph mechanism, a modular design allowing for relatively easy servicing, and a robust construction capable of withstanding daily wear and tear. The automatic winding mechanism, efficient and reliable, ensures consistent power even with limited wrist movement. The 48-hour power reserve is a standard for movements of this class, providing ample timekeeping even if the watch is left unworn for a weekend.
The date complication, displayed in a window at the 3 o'clock position, is a practical addition to the chronograph functions. The layout of the subdials – typically a 30-minute counter at 9 o'clock, a 12-hour counter at 6 o'clock, and a small seconds subdial at 3 o'clock (sometimes slightly offset to accommodate the date window) – is familiar and intuitive to users of chronograph watches.
Omega Calibre 1164 Watch Models: A Diverse Lineup
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