Optical Mechanical Watch Balance-Wheel Amplitude (°) & BPH Analyzer via 240fps Macro

Deterministic Polar optical-flow spoke angular reversal tracking θ_max - θ_min + zero-crossing half-period symmetry estimator engine (.mov, .mp4, .csv) built for Rolex, Omega Co-Axial, ETA / Sellita, Seiko — zero-upload ephemeral Wasm RAM execution.

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