Tag Archives: ETA Mechanical Movements

ETA 2408 Watch spare parts

ETA 2408 Watch movements
ETA 2408 Watch movements
ETA 2408 Watch spare parts
ETA 2408 Watch spare parts
ETA 2408 Watch Date spare parts
ETA 2408 Watch Date spare parts
ETA 2408 Watch spare parts
ETA 2408 Watch spare parts

The ETA 2408 is a vintage manual wind movement produced by ETA, a renowned Swiss manufacturer, and is celebrated for its reliability and classic design in mechanical watches. This movement is notable for its manual winding mechanism, sweep second hand, and date complication, making it a favorite among vintage watch enthusiasts and collectors.

Key Features

The ETA 2408 is a manual wind caliber, typically featuring 17 or 21 jewels depending on the variant.

It has a diameter of 25.60 mm and a height of 3.60 mm, making it suitable for a range of watch cases.

The movement operates at a frequency of 18,000 vibrations per hour (A/h), which is standard for many vintage movements.

It offers a power reserve of approximately 47 hours, providing reliable timekeeping between windings.

The date display is set by changing the time, and the movement uses a new date mechanism compared to earlier ETA manual wind calibers.

Technical and Historical Notes

The ETA 2408 was introduced in the 1940s and is part of a family that includes the 2390, 2391, and 2406, each with minor differences in design and function.

The movement is known for its robust construction and ease of servicing, which has contributed to its enduring popularity among watchmakers.

Spare parts for the ETA 2408 are still available, though some components like the balance bridge and complete balance may be sold separately.

Bulletin Points

Manual wind movement with sweep second and date function.

17/21 jewels, 25.60 mm diameter, 3.60 mm height.

18,000 A/h frequency, 47-hour power reserve.

Classic design, easy to service, widely used in vintage watches.

Available spare parts support restoration and repair.

The ETA 2408 remains a respected movement for vintage watch restoration and mechanical watch aficionados, reflecting the enduring legacy of Swiss watchmaking.

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ETA 2412 Watch spare parts

ETA 2412 Watch movements
ETA 2412 Watch movements
ETA 2412 Watch spare parts
ETA 2412 Watch spare parts
ETA 2412 Watch spare parts
ETA 2412 Watch spare parts

The ETA 2412 is a classic manual-wind watch movement from ETA, notable for its compact size and use in ladies’ watches during the 1950s and 1960s. This movement is recognized for its innovative design and reliability, making it a favorite among vintage watch collectors and restorers.

Key Features

The ETA 2412 has a diameter of 6 3/4 lignes, making it one of the smallest movements of its era.

It beats at 21,600 vibrations per hour (A/h) and features a 17-jewel configuration for smooth operation.

The movement uses a yoke winding system and incorporates Incabloc shock protection for durability.

Its minute hand is driven indirectly by the train of the second wheel, allowing for a larger mainspring and balance wheel, which improves running time and precision.

Technical Details

Escapement: Pallet lever

Balance types: Glucydur screw balance and nickel annular balance

Hairspring direction: Clockwise

Adjustable via hairspring key

Moveable stud for fine timing adjustments

Produced from 1955 onward, often found in unbranded or de luxe models.

Notable Highlights

The Glucydur screw balance version is visually striking and offers enhanced timing accuracy.

The movement is sometimes known as Dugena 1201 when used in watches by Dugena.

It is frequently encountered in vintage ladies’ watches and is prized for its compact size and elegant construction.

The ETA 2412 remains a respected movement among horology enthusiasts for its engineering and historical significance in the world of vintage mechanical watches.

 

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ETA 1010 Watch spare parts

ETA 1010 Watch movements
ETA 1010 Watch movements
ETA 1010 Watch spare parts
ETA 1010 Watch spare parts
ETA 1010 Watch spare parts
ETA 1010 Watch spare parts

The ETA 1010: A Timeless Manual Wind Movement

The ETA 1010 is a vintage manual wind mechanical movement produced by ETA SA, a cornerstone of Swiss horology since the 19th century. Introduced around 1945, it exemplifies reliable, no-frills engineering favored by watch enthusiasts and repair specialists for its simplicity and durability.

Key Specifications

Diameter: 17.5 mm (roughly 7 lignes), ideal for slim dress watches.

Height: 2.85 mm, enabling thin case designs.

Jewels: 15, 17, or 19 variants, reducing friction in critical pivots.

Frequency: 18,000 vibrations per hour (2.5 Hz), balancing smoothness and longevity.

Power Reserve: Approximately 43 hours when fully wound.

Winding: Manual via crown

 

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ETA 1080 Watch spare parts

ETA 1080 Watch movements
ETA 1080 Watch movements
ETA 1080 Watch spare parts
ETA 1080 Watch spare parts
ETA 1080 Watch spare parts
ETA 1080 Watch spare parts

​The ETA 1080: A Pioneering Vintage Manual-Wind Movement

Introduced in 1950 by ETA, the Caliber 1080 stands as a foundational manual-wind mechanical movement that influenced mid-20th-century horology. This Swiss-made caliber, sized at 10.5 lignes (23.3-23.7mm diameter and 4.15mm height), beats at 18,000 vibrations per hour (2.5 Hz) with a 52-degree lift angle, delivering approximately 40-42 hours of power reserve. Featuring hacking seconds—enabled by a lever sweep second stop—and Incabloc shock protection, it powers central hours, minutes, and sweeping seconds via three hands (1.5mm hour, 0.90mm minute, 0.20mm second).


Key Specifications

Jewels: 15, 17, 19, or 21 (highest count includes cap jewels for enhanced durability)

Winding: Yoke system, manual-wind only

Balance: Monometallic screw balance (two legs), clockwise hairspring, long regulator arm

Escapement: Swiss pallet lever, solid construction with single triangular gear bridge

Historical Significance

The ETA 1080 pioneered modern designs by integrating gears under one bridge and direct-driven minute and center seconds, setting standards for 1950s movements. It served as the base for ETA’s first automatic, the Caliber 1256 (swinging rotor), expanding its legacy. Variants like the larger 1081 (11.5 lignes) followed, but the 1080 powered vintage watches such as 1950s Lunesa models and others into the 1960s.

 

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ETA 1100 Watch spare parts

ETA 1100 Watch movements
ETA 1100 Watch movements
ETA 1100 Watch spare parts
ETA 1100 Watch spare parts
ETA 1100 Watch spare parts
ETA 1100 Watch spare parts

The ETA 1100 Watch Movement: A Vintage Classic

The ETA 1100 is a manual-wind mechanical movement from the mid-20th century, renowned for its reliability and innovative calendar features in an era dominated by simpler calibers. Produced by ETA SA, part of the Swatch Group, it powered numerous vintage watches from brands like Atlantic, Technos, and Breitling during the 1950s.

Key Specifications

Type: Manual wind with sweep seconds hand; 17 jewels.

Dimensions: Approximately 11.75 ligne (26mm diameter), slim profile for dress watches.

Frequency: 18,000 vph (2.5 Hz), typical for robust 1950s movements.

Power Reserve: Around 40-45 hours when fully wound.
Notable Features

The ETA 1100 stands out for its calendar complications, uncommon at the time:

Instantaneous date change at midnight.

Separate pushers for quick day and date adjustment— a rarity avoiding crown manipulation risks.

Optional month indicator in some variants.

This design prioritized user-friendliness, making it ideal for everyday wear while maintaining mechanical integrity.
Historical Context

Introduced post-WWII, the 1100 reflected ETA’s push toward affordable precision amid quartz threats. It appeared in steel-cased divers and elegant dress watches, showcasing Swiss engineering. Today, it’s prized by collectors for parts scarcity and restoration appeal. Servicing requires expertise due to discontinued spares.

​Legacy and Collectibility

Vintage ETA 1100 watches, like Accurist models circa 1950, fetch premiums for originality. Its durability cements ETA’s reputation, influencing modern calibers. Enthusiasts value it for honest, no-frills horology.

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ETA 1101 Watch spare parts

ETA 1101 Watch movements
ETA 1101 Watch movements
ETA 1101 Watch spare parts
ETA 1101 Watch spare parts
ETA 1101 Watch spare parts
ETA 1101 Watch spare parts

The ETA 1101 Watch Movement: A Timeless Classic

The ETA 1101 is a manual-wind mechanical movement renowned for its reliability and precision, introduced around 1955 by ETA SA Manufacture Horlogère Suisse. This 12-ligne (26.60 mm diameter) caliber features a sweep seconds hand and exemplifies mid-20th-century Swiss horology, powering numerous vintage watches from brands like Zodiac and Leon.

Key Specifications

Size and Jewels: 12”’ diameter, 4.50 mm height; typically 15/17/19/21 jewels depending on grade.

Beat Rate: 18,000 A/h (5 Hz), ensuring smooth seconds sweep.

Power Reserve: Approximately 40-45 hours when fully wound.

Functions: Central hours, minutes, sweep seconds; no date complication.

Historical Context

Produced during ETA’s expansion era, the 1101 belongs to the 1100 family, related to calibers like 1100 and 1113. It was widely used in dress and tool watches of the 1950s-1970s, valued for robustness in daily wear. Variants included improved balances for better accuracy.

Technical Highlights

Manual Winding: Classic crown-winding via stem

Balance Staff: Compatible with NOS parts for 1100/1101 series, ideal for restorations.

Finishing: Entry-level to mid-grade finishes; higher versions feature blued screws and Geneva stripes.

Service and Availability

Today, ETA 1101 movements remain serviceable with parts from specialists, though Swatch Group restrictions limit new supplies. Collectors prize it for vintage repairs, with spares like balance staffs available online. Accuracy post-service often hits -10/+20 seconds/day.

 

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ETA 1120 Watch spare parts

ETA 1120 Watch movements
ETA 1120 Watch movements
ETA 1120 Watch spare parts
ETA 1120 Watch spare parts
ETA 1120 Watch spare parts
ETA 1120 Watch spare parts

The ETA 1120 Watch Movement: A Reliable Classic

The ETA 1120 is a manual-wind mechanical movement renowned for its slim profile and dependability, produced by ETA SA Manufacture Horlogère Suisse for vintage and slimline watches. Introduced in the 1970s, it powers numerous Swiss timepieces with a focus on precision and serviceability.

Key Specifications

Diameter: 27mm (12 lignes), ideal for mid-sized cases.

Height: 3.5mm, enabling ultra-thin watch designs.

Jewels: 15/17, reducing friction in critical pivots.

Frequency: 18,000 vph (2.5 Hz), balancing accuracy and longevity.

Power Reserve: Approximately 43 hours when fully wound.

Lift Angle: 48 degrees, optimizing energy transfer.

Features and Performance

This movement features a direct seconds layout without a hours wheel in some variants, aiding minimalism. It includes Incabloc shock protection for durability and supports central hours, minutes, and sweeping seconds, often with a date complication. Hand-windable via a crown, it lacks hacking but excels in reliability for daily wear.

 

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ETA 1152 Watch spare parts

ETA 1152 Watch movements
ETA 1152 Watch movements
ETA 1152 Watch spare parts
ETA 1152 Watch spare parts
ETA 1152 Watch spare parts
ETA 1152 Watch spare parts

ETA 1152 Watch Movement: A Reliable Classic

The ETA 1152 is a manual-wind mechanical movement introduced around 1955 by ETA SA, renowned for its precision and durability in mid-century Swiss timepieces. Measuring 10.5 lignes (23.7mm diameter) with a slim 4.5mm height, it powers vintage dress watches and remains sought after by collectors and restorers for its straightforward design.


Key Specifications

Type: Manual wind, three-hand with sub-seconds.

Jewels: 15 to 21, depending on configuration (typically 17-21 for higher-grade versions).

Frequency: 18,000 vibrations per hour (vph) for smooth sweeping seconds.

Power Reserve: Approximately 42-46 hours when fully wound.

Lift Angle: 52 degrees, optimizing energy efficiency.

Height/Diameter: Ultra-thin at 4.5mm x 23.7mm, ideal for slim cases.


Design and Features

Crafted with a lever escapement and mono-metallic balance, the 1152 emphasizes reliability over complexity. It features Incabloc shock protection in later variants, ensuring resilience against daily wear. The movement’s simple brass plates and Etachron regulator allow easy servicing, a boon for watchmakers handling vintage repairs. Finishes often include perlage or Geneva stripes on visible components.

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ETA 1153 Watch spare parts

ETA 1153 Watch movements
ETA 1153 Watch movements
ETA 1153 Watch spare parts
ETA 1153 Watch spare parts
ETA 1153 Watch spare parts
ETA 1153 Watch spare parts

The ETA 1153 Watch Movement: A Classic Workhorse

The ETA 1153 is a reliable manual-wind mechanical movement from the renowned ETA 1080 family, produced by ETA SA Manufacture Horlogère Suisse in the mid-20th century. Known for its robust construction, this 11.5 ligne caliber exemplifies Swiss precision engineering, powering numerous vintage watches during its production era.

Key Specifications

Size and Design: 11.5”’ (inches) diameter, part of the ETA 1080 family including siblings like 1080, 1081, 1152, fitting slim cases for dress watches.

Jewels: Typically 17 jewels, reducing friction for smooth operation and longevity.

Frequency: 18,000 vibrations per hour (2.5 Hz), balancing power reserve and accuracy.

Power Reserve: Approximately 40-45 hours when fully wound manually.

Features and Performance

The ETA 1153 features a sweep seconds hand and direct seconds at 9 o’clock, with no date complication for minimalist appeal. Its manual winding via a stem (part 401 compatible across family) ensures tactile engagement. Highly serviceable, parts like barrels (part 182) remain available from specialists, aiding restoration of vintage pieces.

Historical Context and Usage

Introduced in the 1950s-1960s, the 1153 equipped affordable Swiss brands, contributing to ETA’s reputation before quartz dominance. Today, it’s prized by collectors for reliability in unrestored watches.

 

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ETA 1168 Watch spare parts

ETA 1168 Watch movements
ETA 1168 Watch movements
ETA 1168 Watch spare parts
ETA 1168 Watch spare parts
ETA 1168 Watch spare parts
ETA 1168 Watch spare parts

The ETA 1168 Watch Movement: A Reliable Workhorse

The ETA 1168 is a robust, manually-wound mechanical movement from ETA SA Manufacture Horlogère Suisse, renowned for its precision and durability in mid-range Swiss watches. Produced primarily in the late 20th century, it powers various vintage timepieces with a classic column-wheel chronograph design.
Key Specifications

Dimensions: 13.25 ligne (30mm diameter), 6.75mm thick, suitable for larger cases.

Functions: Hours, minutes, small seconds at 9 o’clock, 30-minute counter at 3 o’clock, central chronograph seconds.

Jewels: 17, reducing friction for longevity.

Frequency: 18,000 vph (2.5 Hz), with a power reserve of approximately 45 hours.

Beat rate: Reliable for everyday accuracy, often certified chronometer-grade.

Historical Context

Introduced as part of ETA’s Valjoux acquisition lineage (post-1974), the 1168 evolved from the Valjoux 1168, a staple in chronographs like those from Heuer and Breitling. Its ébauche roots trace to 1940s designs, emphasizing serviceability for watchmakers. Swatch Group’s ownership since 1985 limited third-party access, yet it remains sought after for repairs.


Performance and Serviceability

The 1168 features a smooth column-wheel activation, avoiding the harsher cam-lever feel of contemporaries. Parts availability through specialists like H.S. Walsh supports ongoing maintenance. Common in 1970s-1980s sports watches, it exemplifies ETA’s role in democratizing Swiss quality.

 

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