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Genuine-fit Seiko/Hattori winding stems, part numbers 354.530 through to 357.007 — one steel replacement stem covering a huge span of Hattori calibres in a single listing.
⭐ At a glance
✅ Covers Seiko Hattori movements from part number 354.530 to 357.007
📦 Supplied as a single winding/crown stem unit
Material: Steel
✔️ Condition: New
✅ Fits
Select the part number matching your movement. Calibres are listed where known — where no calibre is shown, match the part number directly to your movement or old stem.
⚠️ Please check you select the exact part number that matches your movement or original stem before fitting — many part numbers in this range share similar dimensions but are not interchangeable, and several have no calibre cross-reference listed so should be matched directly against your movement.
