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ETA 2804-2 caliber vs ETA 2893-2 caliber: specs compared

Updated 05 September 2026.

5
specs differ

ETA 2804-2 caliber and ETA 2893-2 caliber differ on 5 specs: movement height, jewels, winding, calendar / layout, hand fitting.

SpecETA 2804-2 caliberETA 2893-2 caliber
MakerETA (Swatch Group)ETA (Swatch Group)
Size11 1/2 ligne11 1/2 ligne
Casing diameter25.60 mm25.60 mm
Movement height3.35 mm4.10 mm
Frequency28,800 A/h (4 Hz)28,800 A/h (4 Hz)
Jewels1721
Windingmanualautomatic, bidirectional
Calendar / layoutcentre seconds, date at 3centre seconds, GMT 24h hand, date at 3
Hand fittinghour 1.50 / minute 0.90 / second 0.20 mm (bore)hour 1.50 / minute 0.90 / second 0.20 mm (bore), plus 24h GMT hand
Stemtap 0.90tap 0.90
Power reserveapprox. 42 happrox. 42 h

Questions and answers

How do ETA 2804-2 caliber and ETA 2893-2 caliber compare?

ETA 2804-2 caliber and ETA 2893-2 caliber differ on 5 specs: movement height, jewels, winding, calendar / layout, hand fitting.

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