S Epson Caliber Al21e

S. Epson Caliber AL21E

S Epson Caliber Al21e

ManufacturerS. Epson Corp. (Seiko)
Caliber NumberAL21E
Movement TypeQuartz, battery-powered
Lignes6.75”’ x 8”’
Diameter
15.3mm x 17.8mm
Height
2.99mm
Jewel Count
0
Frequency
32,768 Hz
Accuracy Rating
+/- 20 seconds/month
Battery Cell
SR626SW / 377 (silver oxide, 1.55 V)
Battery Life
2 years
Quartz Type
Tuning fork
Regulator?
None
Stem Part #
0354788 (aka 354-788) / 0354787 (354-787)
Hand Count3
Hand Sizes
1.10mm (hours) / .65mm (mins) / .20mm (secs)
FunctionsCentral hours; central minutes; central seconds
Hacking Seconds?
Yes
Country of ManufactureMade in Japan
Known Models
(Add your watch to the comments below…)

The S. Epson caliber AL21E is a small size 3-hander quartz movement. Official documentation indicates that this caliber has been in production since at least 2014.

This is a true no-date movement with only two crown positions: neutral (against the case) and time setting mode (pulled out one click).

Replacement Prices:

At the time of this post, replacement prices for the AL21E were found online in the range of $2.70 USD to $8.95 USD.

Additional Resources:

Seagull Caliber St19

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