The ETA 2892-A2 is a renowned Swiss automatic watch movement from ETA, prized for its slim profile and precision in upscale timepieces.
Key Specifications
Dimensions: 25.6mm diameter, 3.6mm height—ideal for thin dress watches.
Jewels: 21, reducing friction for longevity.
Beat Rate: 28,800 vibrations per hour (4Hz) for smooth seconds hand sweep.
Power Reserve: 42 hours with bi-directional ball-bearing rotor.
Functions: Hours, minutes, sweeping seconds, date (at 3 o’clock); hacking seconds and quickset date.
Evolution and Design
Introduced around 2000 as an upgrade to the ETA 2892-2, the 2892-A2 features a monobloc frame for enhanced stability, Incabloc shock protection, and ETACHRON regulator. It addressed earlier models’ winding efficiency issues from a stronger mainspring and higher beat rate, using a refined automatic system. Lift angle of 51 degrees ensures consistent performance.
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Watch Parts Enquiry
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Stem, Crown, Hands & Spares might be available for this movement.
Email us for rate and availability: [email protected]
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