ETA Caliber 251.471

Manufacturer	ETA
Caliber Number	251.471
Replacement	NA
Type	Quartz, chronograph
Lignes	10 1/2”’
Diameter	23mm
Thickness	4.70mm
Jewels	23
Battery Cell Number	394
Stem	401-1484, Tap 10
Hands Count	6
Hand Sizes	1.50/.90/.30 (and 3 x .20 for seconds)
Functions	Central hours; central minutes; 1/10 seconds; central chronograph seconds; date; 24 hour indicator
Country of Manufacture	Switzerland, Swiss made (V8)
Known Models	Hamilton Khaki Air, Uniform Wares 300 Chronograph, please add more below

This ETA caliber 251.471 was found in this Hamilton Khaki Air Chrono watch.

Replacement Prices

Replacement prices were found online for $79.95 – $105.95.

Crossover Caliber Numbers

Longines also uses this movement as a base for their caliber L538.

Additional Images:

ETA 251.471 Tech Sheets (pdf):

Additional Resources

• Full assembling/Disassembling instructions from ETA