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Seiko Epson AL21E

Quartz
Family: AL21

AL21E is a three-hand, no-date analog quartz movement supplied by Epson. Its rectangular outside dimensions are 15.30 × 18.20 mm and casing dimensions are 15.30 × 17.80 mm. It uses an SR626SW silver-oxide battery, with approximately two years of battery life. The tuning-fork quartz oscillator operates at 32,768 Hz, with rated accuracy of ±20 seconds per month.

Last updated 2 Oct 2026Suggest a correction

TECHNICAL SPECIFICATIONS

Movement Type

Quartz

Height

2.99mm

Display Type

Analog

Winding

Quartz (Battery)

FEATURES

Hacking Seconds

QUICK FACTS

TYPE

Quartz

CALIBER FAMILY

AL21

COUNTRY

Japan

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