Eta 2824

ETA Caliber 2824-2

ETA caliber 2824-2 in a Chase Durer watch

Manufacturer ETA
Caliber Number 2824-2
Vibrations Per Hour 28,800 bph
Diameter 25.6mm
Thickness 4.6mm
Power Reserve ~38 hours
Jewels 17, 21, or 25
Hands 1.50/.90/.25
Balance Staff ETA 2801
Shock Protection Incabloc Novodiac
Regulator Etachron
Hacking? Yes
Hand-Windable? Yes
Functions Hours, minutes, central sweeping seconds, date
Country of Manufacture Switzerland, 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

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

Since the patent giving exclusive rights to ETA for the design of the 2824-2 expired, there have been similar movements 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

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