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Eta 2824

ETA Caliber 2824-2

ETA caliber 2824-2 in a Chase Durer watch

Caliber Number2824-2
Vibrations Per Hour28,800 bph
Power Reserve~38 hours
Jewels17, 21, or 25
Balance StaffETA 2801
Shock ProtectionIncabloc Novodiac
FunctionsHours, minutes, central sweeping seconds, date
Country of ManufactureSwitzerland, Swiss made
Known Models
Too many to list (add yours in the comments below!)

The ETA caliber 2824-2 is perhaps one of the most well-known and most recognized movements in the watch industry. It has been in production since 1982 and was based off of the original Eterna caliber 1427. The “-2” designation indicates the generation.

The 2824 is considered to be a “workhorse” movement by many watch enthusiasts.

Four Grades of ETA 2824-2:

  • Standard – adjusted in two positions; accuracy of +/-12 sec/day up to +/- 30 sec/day
  • Elaborated – adjusted in three positions; accuracy of +/-7 sec/day up to +/- 20 sec/day
  • Top – adjusted in five positions; accuracy of +/-4 sec/day up to +/- 15 sec/day
  • Chronometer

Same Movement, Different Caliber Numbers:

The ETA caliber 2824-2 is supplied to many different watch companies for use in a wide variety of watches. These companies will often put their own branding on the rotor, or make other small changes. This sometimes leads them to creating their own caliber number.

Before the watch industry’s rush to produce and market in-house movements, some watch companies would create their own caliber number to disguise the fact that their watch was using the ETA 2824-2. This isn’t because the 2824-2 was less desirable movement, but rather because much of the watch industry was smoke and mirrors, and also in an effort to create higher prices in the market since nobody knew the cost of the parts within the watches.

Click here for more examples of 2824-2 movements that are branded under different caliber numbers.

Clone Movements:

Since the patent giving exclusive rights to ETA for the design of the 2824-2 expired, there have been similar movements aka “clones” popping up that are based on this movement: For example the Sellita caliber SW200, STP1-11, Valanvron VAL-24, Hangzhou caliber 6300, Seagull caliber ST2130.

Other Examples:

ETA 2824-2 from micro watch brand Sablier Grand Cru. It features a rarely seen brass finish:

ETA 2824-2 from Sablier with brass finish

ETA 2824-2 in a Stowa Back to Bauhaus minimalist watch with a custom engraved rotor:

Eta 2824 2 Eta 2824

Additional Resources:

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New Watch Alert 7/10/2020 - The Truth About Watches
14 hours ago

[…] white watches with a single time zone (click here for our review of the black 556i). A Top Grade ETA 2824 shelters under the W’s brick sh*t house black caseback – a reliable workhorse if there […]

Peter Laurence-Couzens
Peter Laurence-Couzens
9 hours ago

Decent movement, and in my humble opinion better than the movement which replaced it.

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