Tag Archives: ETA Watch Balance Complete

ETA 9362 Watch spare parts

ETA 9362 Watch movements
ETA 9362 Watch movements
ETA 9362 Watch spare parts
ETA 9362 Watch spare parts
ETA 9362 Watch spare parts
ETA 9362 Watch spare parts

The ETA 9362 is a compact quartz watch movement from ETA (now part of Swatch Group), known for its reliability in vintage and mid-range timepieces from the 1970s onward.

Key Specifications

Size: 11.5 ligne (26 mm diameter, 25.6 mm mounting), 5.4 mm height.

Jewels: 7 synthetic rubies for reduced friction.

Frequency: 32,768 Hz, standard for quartz accuracy.

Battery: Typically SR343 (silver oxide cell).

Hands: Hour 1.50 mm, minute 0.90 mm, second 0.25 mm.

Functions and Features

This movement supports basic timekeeping with sweep seconds and often a quickset date. It uses three stepper motors for smooth operation, making it suitable for chronograph variants in some models. Produced around 1977 and into later decades, it powered brands like Luxor in stainless steel watches.

Historical Context

Introduced during the quartz revolution, the ETA 9362 bridged mechanical traditions with electronic precision, fitting 25.60 mm cases. It’s interchangeable with similar calibers like ETA 9361 or 9360, aiding repairs. Vintage examples remain popular on platforms like Etsy for their analog charm and serviceability.

 

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ETA A07.111 Watch spare parts

ETA A07.111 Watch movements
ETA A07.111 Watch movements
ETA A07.111 Watch spare parts
ETA A07.111 Watch spare parts
ETA A07.111 Watch spare parts
ETA A07.111 Watch spare parts

The ETA A07.111 is a robust automatic mechanical movement from ETA’s Valgranges family, designed for larger watches. Produced from around 2004 to 2021, it offers reliable performance with a date complication, making it popular among brands seeking oversized calibers.

Key Specifications

Diameter: 36.6 mm (16½ lignes), ideal for big-case watches over 42mm.

Height: 7.9 mm, balancing power reserve with wearability.

Jewels: 24, reducing friction in critical pivots.

Frequency: 28,800 vph (4 Hz), for smooth seconds hand sweep.

Power Reserve: Approximately 48 hours when fully wound.

Design and Features

This self-winding caliber uses a central rotor for bidirectional winding, ensuring efficient energy storage. It includes a small seconds subdial at 6 o’clock and a date window, typically at 3 o’clock, with standard hacking for precise time-setting. The Valgranges line emphasizes industrial production scalability, succeeding ETA’s Unitas movements like the 6497 while addressing demand for chronometer-grade reliability in modern contexts.

Applications and Legacy

Found in various luxury and tool watches, the A07.111 powers models needing substantial presence without quartz alternatives. Variants like A07.161 add day-date, but the base model prioritizes simplicity. Phased out post-2021 amid Swatch Group restrictions, it remains serviceable with available spares for enthusiasts. Its ETA 7750-inspired architecture ensures longevity in repairs.

 

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ETA 2850 Watch spare parts

ETA 2850 Watch movements
ETA 2850 Watch movements
ETA 2850 Watch spare parts
ETA 2850 Watch spare parts
ETA 2850 Watch spare part
ETA 2850 Watch spare part
ETA 2850 Watch spare parts
ETA 2850 Watch spare parts

The ETA 2850 is a reliable manual-wind mechanical movement from ETA, known for its precision in vintage and dress watches.

Overview

Produced by ETA SA Manufacture Horlogère Suisse, the 2850 belongs to the workhorse family of Swiss ebauches, emphasizing slim design and smooth operation. It features a sweep seconds hand for fluid timekeeping and typically includes 17 jewels to reduce friction. This caliber powered numerous mid-range watches from the 1970s onward, valued by collectors for serviceability.

Key Specifications

Diameter: 25.6 mm (11.5 lignes), fitting standard 38-42 mm cases

Height: Approximately 4.3 mm, enabling thin profiles

Frequency: 28,800 vibrations per hour (4 Hz) for accurate sweeping

Power Reserve: Around 50 hours when fully wound

Jewels: 17 standard, supporting longevity

Winding: Manual via crown; optional hacking for precise setting

Features and Reliability

The movement uses a Glucydur balance and Breguet hairspring for stability against shocks and positions. Its straightforward construction aids repairs, with parts widely available for vintage restorations. Variants may include date complications, though base models prioritize simplicity.

 

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ETA 2851 Watch spare parts

ETA 2851 Watch movements
ETA 2851 Watch movements
ETA 2851 Watch spare parts
ETA 2851 Watch spare parts
ETA 2851 Watch spares
ETA 2851 Watch spares
ETA 2851 Watch spare parts
ETA 2851 Watch spare parts

The ETA 2851 is a reliable Swiss-made mechanical hand-wound watch movement from ETA SA Manufacture Horlogère Suisse, known for its precision in mid-range timepieces.

Key Specifications

Diameter: 25.6mm (11.5 lignes), fitting standard 38-42mm cases.

Height: 4.3mm, slim for versatile designs.

Jewels: 12-17, reducing friction; variants like ETA 2851-1 use 12.

Beat Rate: 21,600 vph (3 Hz), balancing smoothness and longevity.

Power Reserve: Approximately 60 hours when fully wound.

Functions: Three hands (hours, minutes, seconds); no date in base model.

Design and Performance

Crafted with Geneva stripes and high-quality finishing, the ETA 2851 features a lift angle of 52 degrees for efficient energy transfer. Its hand-winding mechanism uses a crown to tension the mainspring, ideal for purists avoiding automatics. Accuracy typically holds at -10/+20 seconds per day, enhanced by hacking seconds in some grades.

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ETA 2852 Watch spare parts

ETA 2852 Watch movements
ETA 2852 Watch movements
ETA 2852 Watch spare parts
ETA 2852 Watch spare parts
ETA 2852 Watch spare part
ETA 2852 Watch spare part
ETA 2852 Watch Date spare parts
ETA 2852 Watch Date spare parts
ETA 2852 Watch spare parts
ETA 2852 Watch spare parts

The ETA 2852 is a reliable manual-wind mechanical movement from ETA, introduced around 1970, known for its precision and use in vintage watches.

Key Specifications

Size and Design: 11.5 lignes (25.60mm diameter), 4.15mm height, with sweep seconds and quickset date.

Jewels and Frequency: 17 jewels, beats at 28,800 A/h (4 Hz), offering about 50 hours power reserve.

Family Variants: Part of the 2850 series; 2850/2851 (no date), 2852/2853 (date), up to 2878/2879 (day-date automatic).

Historical Context

Developed as a “Gabarit” template succeeding older ETA 2800 designs, the 2852 powered models like early Doxa SUB 300T divers before upgrades to ETA 2824-2. Its slim profile suited mid-sized dress and tool watches from brands seeking robust, serviceable calibers amid the quartz crisis.

Features and Performance

Quickset date via pusher enhances usability, with optional hacking for precise time-setting. Incabloc shock protection ensures durability in daily wear. Though superseded by automatics like 2824, it remains prized for repairs due to available spares like barrels and wheels.

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ETA 2853 Watch spare parts

ETA 2853 Watch movements
ETA 2853 Watch movements
ETA 2853 Watch spare parts
ETA 2853 Watch spare parts
ETA 2853 Watch spares
ETA 2853 Watch spares
ETA 2853 Watch Date spare parts
ETA 2853 Watch Date spare parts
ETA 2853 Watch spare parts
ETA 2853 Watch spare parts

The ETA 2853 is a reliable manual-wind mechanical movement from ETA SA, known for its precision in mid-range Swiss watches. Produced in the late 20th century, it belongs to ETA’s 2800/2900 series, emphasizing robustness and serviceability. This caliber powers time-only displays with a date complication, making it ideal for classic dress watches.

Key Specifications

Type: Manual wind, sweep seconds, quickset date.

Dimensions: 11.5 lignes (25.60 mm diameter), 4.15 mm height.

Jewels: 17.

Beat rate: 21,600 vibrations per hour (3 Hz).

Power reserve: Approximately 60 hours.

Performance and Features

The ETA 2853 delivers consistent accuracy, often within chronometer standards when regulated properly. Its instant date change and quick correction enhance usability, while the Incabloc shock protection ensures durability. With a lift angle suited for efficient energy transfer, it offers a smooth sweep second hand visible through exhibition casebacks.

Historical Context

Derived from ETA’s foundational designs in the 1960s-1970s, the 2853 exemplifies the transition to high-beat movements without automatic winding. It remains sought after for vintage restorations and custom builds due to abundant spare parts availability. Brands like Omega and Tissot historically used similar ETA calibers for their workhorses.

 

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ETA 2859 Watch spare parts

ETA 2859 Watch movements
ETA 2859 Watch movements
ETA 2859 Watch spare parts
ETA 2859 Watch spare parts
ETA 2859 Watch spares
ETA 2859 Watch spares
ETA 2859 Watch Day Date spare parts
ETA 2859 Watch Day Date spare parts
ETA 2859 Watch spare parts
ETA 2859 Watch spare parts

The ETA 2859 is a reliable manual-wind mechanical movement from the Swiss manufacturer ETA, known for its precision in mid-20th-century watchmaking.

​Key Specifications

Size and Build: 11.5 lignes (25.60mm diameter), 4.15mm height, 17 jewels.

Functions: Sweep seconds, quickset date, bilingual day wheel (quickset, 2 languages).

Performance: 21,600 beats per hour (A/h), 60-hour power reserve.

 

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ETA 2870 Watch spare parts

ETA 2870 Watch movements
ETA 2870 Watch movements
ETA 2870 Watch spare parts
ETA 2870 Watch spare parts
ETA 2870 Watch spare part
ETA 2870 Watch spare part
ETA 2870 Watch spare parts
ETA 2870 Watch spare parts

The ETA 2870 is a reliable automatic movement from the ETA 2800 family, prized in vintage Swiss watches for its robustness. Produced primarily in the 1970s-1980s, it powers mid-range timepieces with smooth sweeping seconds.

​Key Specifications

Type: Automatic self-winder with central rotor and bi-directional winding.

Dimensions: 11.5 lignes (25.60mm diameter), 5.35-5.50mm thick.

Jewels: 17, 21, or 25, depending on grade.

Beat rate: 28,800 A/h (4Hz) for precise timekeeping.

Power reserve: Approximately 38-44 hours.

Functions and Features

This movement offers hours, minutes, central sweep seconds, and often a date complication. It supports hand-winding and features like Incabloc shock protection in higher grades. Part of ETA’s workhorse 2800/2824 lineage, it shares DNA with modern staples but in a slimmer profile suited for dress watches.

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ETA 2871 Watch spare parts

 

ETA 2871 Watch spare parts
ETA 2871 Watch spare parts

 

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ETA 2872 Watch spare parts

ETA 2872 Watch movements
ETA 2872 Watch movements
ETA 2872 Watch spare parts
ETA 2872 Watch spare parts
ETA 2872 Watch spare part
ETA 2872 Watch spare part
ETA 2872 Watch Date spare parts
ETA 2872 Watch Date spare parts
ETA 2872 Watch spare parts
ETA 2872 Watch spare parts

The ETA 2872 is a reliable vintage automatic watch movement from the ETA 2800 family, produced starting in the 1970s.

Overview

Introduced as an economical alternative to the popular ETA 2824-2, the 2872 features a self-winding mechanical design with a central rotor. It measures 11.5 lignes (25.6mm diameter) and 5.35-5.5mm thick, making it suitable for mid-sized dress watches. Production emphasized Swiss-made quality with Incabloc shock protection and ball-bearing rotor for smooth operation.

Key Specifications

Beat Rate: 28,800 vibrations per hour (4 Hz) for smooth sweeping seconds

Jewels: 17/21/25, reducing friction in critical pivots

Power Reserve: Approximately 38-44 hours

Lift Angle: 52-53 degrees

Functions: Hours, minutes, sweeping seconds, quickset date at 3 o’clock

Variants and Features

The 2872 supports hand-winding and offers optional hacking (seconds stop when setting time), upgradable via a stop lever part. Related calibers include the slower 2873 (21,600 bph), manual-wind 2852, and siblings 2870/2878 with minor differences in jewels or hacking. Dial feet positions match broader ETA 2800 series for easy case compatibility.

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Stem, Crown, Hands & Spares might be available for this movement.

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