The ETA 2836-2 is a reliable automatic mechanical watch movement from ETA’s 2800 series, prized for its day-date complications and widespread use in Swiss timepieces.
Key Specifications
Size and Build: 11½ lignes (25.6 mm diameter), 5.05 mm height, 25 jewels, Incabloc shock protection.
Beat Rate: 28,800 vibrations per hour (4 Hz) for smooth seconds sweep.
Power Reserve: Approximately 38-42 hours when fully wound.
Core Features
Self-winding bidirectional rotor, manual winding option, and hacking seconds (stops for precise setting).
Day at 12 o’clock, date at 3 o’clock with quickset.
Etachron regulator for accuracy; available in grades up to chronometer (COSC-certified variants exist).
History and Usage
Introduced in the 1980s as an evolution of the ETA 2824-2, the 2836 adds a day indicator, powering brands like Longines, Omega, Tissot, and Mido. Production continues post-2020 Swatch Group restrictions, though alternatives like Sellita SW200 are common. Its robustness suits entry-to-mid luxury watches, with easy servicing via abundant spare parts.
Reliability Factors
Shock-resistant and versatile, it excels in daily wear, maintaining precision within seconds per day in higher grades. Enthusiasts value its serviceability—full wind needs 30-40 crown turns. Vintage models may need cleaning, but new units install readily.
For any Watch Spare Parts inquiry, Email us for rate and availability: [email protected]
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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