The ETA 1185 Watch Movement: A Reliable Workhorse
The ETA 1185 is a robust automatic mechanical movement from the renowned Swiss manufacturer ETA SA, part of the Swatch Group, known for powering countless mid-range watches with dependable performance.
Key Specifications
Type: Automatic, self-winding with manual winding option.
Diameter: Approximately 25.6 mm (11.5 lignes), fitting standard 40mm watch cases.
Height: Around 5.25 mm, slim for versatile case designs.
Jewels: 25 synthetic rubies for reduced friction.
Frequency: 28,800 vibrations per hour (4 Hz) for smooth seconds hand sweep.
Power Reserve: 38 hours, suitable for daily wear.
Functions: Hours, minutes, central seconds, date at 3 o’clock.
Design and Features
This movement belongs to ETA’s 1100/2800 family derivatives, featuring a glucydur balance wheel and anachronistic regulator for precise adjustments. It includes ETA’s Incabloc shock protection system, ensuring durability against daily shocks. The nickel-finished bridges and plates offer corrosion resistance, while the bidirectional rotor winds efficiently during wrist movement.
Reliability and Usage
Widely used in brands like Tissot, Longines, and Certina during the 1990s-2000s, the 1185 earned a reputation for serviceability and affordability. Its ETA 2824-2 base allows easy sourcing of spare parts from suppliers like Perrin Watch Parts. Though phased out post-2010s for Sellita alternatives, serviced units remain accurate to +6/-4 seconds per day.
Service and Legacy
Regular servicing every 5 years maintains its performance, with parts availability supporting vintage restorations. The 1185 exemplifies ETA’s role in democratizing Swiss mechanical watchmaking, blending affordability with quality engineering.
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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