Manufacturer | ETA |
Caliber Number | 2893-1, 2893-2, 2893-3 |
Base Caliber | 2892-A2 |
Type | Automatic |
Lignes | 11.5”’ |
Diameter | 25.6mm |
Height | 4.1mm thick |
Jewels | 21 |
Vibrations Per Hour | 28,800 bph |
Lift Angle | 51 degrees |
Hacking? | Yes |
Hand-Windable? | Yes |
Functions | See below |
Country of Manufacture | Switzerland |
Known Models | (Add your watch to the comments below…) |
The ETA caliber 2893-X family is part of the Mecaline Specialities line of ETA movements. The 2893 is an automatic movement that is Swiss made with 21 jewels. It is a modular movement that uses the 2892-A2 as a base, but with the addition of a GMT complication (“caller” aka “office” style GMT). There are three variations of this movement described below.
2893-X Variations:
The 2893 family of movements is available in 3 variations: 2893-1, 2893-2, and 2893-3. The most common of the three is the 2893-2.
All three versions are the same diameter, same jewel count, and the same beat rate. The main differences between these calibers are as follows:
- -1 has a world time GMT disc and a quickset date
- -2 has a centrally located GMT hand and quickset date at 3:00
- -3 has a world time GMT disc and no date
The world time disc on the -1 and -3 features indicators for the different time zones around the globe. Interestingly, despite ETA showing the world time disc as being larger on the -3 without a date, the parts lists calls for the same part number (2520/1) in either the -1 or -3 movements. ETA refers to this GMT disc or 24 hour disc feature as a universal hour mechanism.
Above is part #2520/1 for the universal hour mechanism on the 2893-1 and 2893-3. ETA shows the wheel with the time zone markers, but many brands use a wheel with 24 hour markers instead.
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