Observed arrival · 2026-08-27
MovementSwap: Donor Movements by Caliber
A watch-repair lookup that compares mechanical movements by diameter, height, stem position, and hand fitting to identify possible drop-in replacements.
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◎Niche
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Field notes
The index groups movements by maker and exposes individual caliber pages alongside donor-movement lookups. Visible examples include Sellita SW200-1 at 25.60 mm x 4.60 mm and ETA 2892-A2 at 25.60 mm x 3.60 mm. Its comparison model goes beyond diameter and height to include stem position and hand fitting, and it flags the practical trap that identical footprints can still conceal incompatible parts.
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue