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This is a genuine Hattori hour wheel, made in Japan, designed for the AL33 quartz movement. By engaging with the minute wheel, it drives the hour hand at a 12:1 reduction ratio for 12-hour time display. This product is brand new and original, not a generic replacement part.
Brand：Hattori (by Seiko Time Corp. / Epson TMI)
Compatible Movement：AL33 / AL33A quartz movement
Part Name：Hour Wheel
Origin：Made in Japan
Quality：Genuine original, brand new
Function：Drives the hour hand (with 12:1 reduction ratio via minute wheel)
Movement Size：10½ ligne (Ø23.3mm)
Movement Height：4.15mm
1. Is this hour wheel an original Hattori genuine part?
Yes. It is an original Hattori factory part, made in Japan. Hattori is affiliated with Seiko Time Corp., with the AL33 movement manufactured by Epson/TMI.
2. Which movements is this hour wheel compatible with?
It fits the AL33 / AL33A quartz movements. The AL33 measures 10½ ligne (Ø23.3mm) with 4.15mm thickness, featuring hour/minute/second hands with day/date display.
3. Does this part come with installation tools or instructions?
No. This is a single component. Professional tools are required; installation by a qualified watchmaker is recommended.
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