|Reserve:||42, 50 hours|
|Winding:||Automatic, Bi-Directional Automatic Winding, Central Rotor Automatic Winding|
|Diameter:||25.60 mm (11.5 ligne)|
|Complications:||24 Hour Hand, Date, GMT Hand, Hacking Seconds, Independently-Adjustable 24 Hour Hand, Quick Date Correction, Semi-Instantaneous Date Change|
|Hands:||Central 24 Hour Hand, Central Hour Hand, Central Minute Hand, Central Seconds Hand, Date Window at 3:00|
|Distinguishing Technical Characteristics|
Clockwise Balance Cock
|Production: 1995 – Current|
ETA’s 2893-2 is a modular GMT movement with central seconds and date. It is derived from the similar ETA 2892A2 and is part of the third-generation ETA 2890 family. Cal. 2893-2 appeared in 1995 in the Ikepod Seaslug, long before the similar ETA 2893-1 and ETA 2893-3 and perhaps even before the 2892A2. It remains in production today. The main difference between the three is as follows:
- ETA 2893-1: 24 hour central disc, date
- ETA 2893-2: 24 hour central hand, date
- ETA 2893-3: 24 hour central disc
The GMT feature and date wheel are adjusted with the crown in position 1. Turning it clockwise advances the GMT hour hand in 1 hour increments, while turning it counter-clockwise advances the date wheel.
Sellita’s Cal. SW330-1 is a clone of ETA’s 2893-2 but has 25 jewels rather than 21.
ETA 2893-2 Applications
Cal. 2893-2 is perhaps the most common of the ETA 2893 sub-family, powering many higher-end GMT watches:
- 1995 Ikepod Seaslug
- Breitling Windrider Antares World
- 2000 Panerai Luminor GMT
- 2002 Magellan 1521
- 2002 Glycine Airman 7
- Glycine Airman SST 06
- 2003 Ball Engineer GMT
- Ball Engineer Master II Aviator GMT
- 2004 Sinn Pilot’s 856
- Sinn U2/EZM 5
- Sinn 6036
- Sinn 857
- 2005 Linde Werdelin Biformeter
- Linde Werdelin Two Timer
- 2006 Baume & Mercier Hampton Classic Carée XL GMT
- 2007 Raymond Weil GMT
- Hamilton Khaki Navy Air Race
- 2011 David Yurman GMT Classic
The IWC 30710 is a refinished ETA 2893-2, as is TAG Heuer Calibre 7 GMT.
ETA 2890 Family Overview
The ETA 2890 family is a series of slim and robust automatic watch movements produced by ETA since 1975. They are generally regarded as superior to the similar ETA 2800 family. Cal. 2890 and its successors is based on an Eterna design, with ball bearings on the rotor and a smaller balance wheel in the modern style. The family remains one of the leading watch movements to this day.
The most well-known movement in this series today is Cal. 2892A2, a highly evolved automatic movement with central seconds and a date wheel. Because of its slim dimensions, Cal. 2892A2 is often paired with modules to add world time, power reserve indicator, chronograph, and other complications.
Distinguishing features of the ETA 2890 family include a smaller balance wheel than historic movements, including the ETA 2824 family, and a large rotor hub located with seven visible bearings. The balance is located at 12:00 when viewed from the back with the crown at 9:00, and is located by a clockwise cock with an eccentric screw for regulation.
Most members of the modern 2890 family are available in there finish levels:
- Elaboré – with nickel balance
- Top – with Glucydur balance
- Chronomètre – with Glucydur balance and official chronometer certification
ETA also sells these movements with gold plating, various finishes, and custom rotors.
ETA 2890 Family
|No Date||ETA 2890 (12.5”’)|
|Date||ETA 2892 (12.5”’)||ETA 2892-2||ETA 2892A2|
|World Time Disc, Date||ETA 2893-1|
|Adjustable 24 Hour Hand, Date||ETA 2893-2|
|World Time Disc, No Date||ETA 2893-3|
|Modular Chronograph, Small Seconds, Date||ETA 2894-2 (12.5”’)|
ETA 2894S2 (12.5”’)
|Small Seconds, Date||ETA 2895-1||ETA 2895-2|
|Dual Concentric Wheel Date||ETA 2896|
|Power Reserve Indicator, Date||ETA 2897|
|Perpetual Calendar, Moon Phase, No Seconds||ETA 2890-9||ETA 2890A9|
|Perpetual Calendar, Moon Phase, Central Seconds||ETA 2891-9||ETA 2891A9|