Match the hole to your clock movement: 8, 9.5, 10 or 12 mm. 10 mm fits most quartz kits. On a layered clock the hole goes through every solid sheet.
Oct 13, 2026
Match the hole to your clock movement: 8, 9.5, 10 or 12 mm. 10 mm fits most quartz kits. On a layered clock the hole goes through every solid sheet.
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