I believe they’re basswood but I’m not 100% on that. I’ve just searched and found the below (obvs this is for a sonic blue but I’m pretty sure OW would be the same):
Type Electric Bass
Model Name Classic Vibe Precision Bass ’60s
Series Classic Vibe Series
Colors Sonic Blue
Body Basswood
Neck Maple, Modern “C” Shape
Fingerboard Rosewood, 9.5” Radius (241 mm)
Number of Frets 20 Vintage Style Frets
Pickups 1 Custom Precision Bass Split Single-Coil Pickup with AlNiCo 5 Magnets
Controls Volume, Tone
Pickup Switching None
Bridge 4Saddle HiMass Bridge
Machine Heads Open Gear Tuning Machines