Tudor Calibre T401 / ETA 2892-2054
Quick answer
What is the Tudor Calibre T401 / ETA 2892-2054?
The Heritage Chrono Blue uses Tudor Calibre T401 / ETA 2892-2054 with Dubois-Dépraz chronograph module.
- Jewels
- 55
- Power reserve
- 42h
- Linked watches
- 1
Why this movement matters
Power reserve
42 hours means you can take the watch off over a weekend and it will usually still be running Monday morning.
Frequency
28,800 beats/hour / 4 Hz is a common modern automatic rate. Higher frequency can improve stability in some conditions, but service access and long-term ownership matter more than Hz alone.
Serviceability
ETA-based modular chronograph architecture is conceptually serviceable, but module chronographs are more specialised than simple three-hand movements. Do not claim cheap universal independent service without a source.
Movement honesty
Movement honesty classification pending editorial review.
Technical specifications
Serviceability
ETA-based modular chronograph architecture is conceptually serviceable, but module chronographs are more specialised than simple three-hand movements. Do not claim cheap universal independent service without a source.
Best watches using this movement
WatchIntel linked watches
Published references in our database. This list is not complete.
Compared with similar movements
Similar movement comparisons pending editorial review.
Frequently asked questions
What is the Tudor Calibre T401 / ETA 2892-2054?+
Tudor Calibre T401 / ETA 2892-2054 is a Tudor caliber (T401 / ETA 2892-2054). The Heritage Chrono Blue uses Tudor Calibre T401 / ETA 2892-2054 with Dubois-Dépraz chronograph module. 42-hour power reserve, 28,800 vph and 55 jewels per WatchBase ETA 2892-2054. Not MT5813 and not a column-wheel manufacture chronograph.
What is the Tudor Calibre T401 / ETA 2892-2054 based on?+
The architecture traces to ETA 2892-2054 with Dubois-Dépraz chronograph module (WatchBase secondary source). WatchIntel classifies lineage separately from marketing "in-house" claims.
What are the key specs of the Tudor Calibre T401 / ETA 2892-2054?+
Core specs: 55 jewels, 42-hour power reserve, automatic. See the technical specifications table for escapement, certification, and functions.
How easy is it to service the Tudor Calibre T401 / ETA 2892-2054?+
ETA-based modular chronograph architecture is conceptually serviceable, but module chronographs are more specialised than simple three-hand movements. Do not claim cheap universal independent service without a source.
Which watches use the Tudor Calibre T401 / ETA 2892-2054?+
WatchIntel links 1 published watch to this caliber in our database. Our database is not complete.
WatchIntel is independent. Not affiliated with Tudor, Rolex, Omega, TAG Heuer, Seiko, Hublot or any other watch brand.