ETA 2782 minute disk? I got a box of minute wheels but we are not sure as for what movement. It says cal 2782. Would it be ETA 2782? Could not find an ETA 2782 with a disk... 

Whoever buys this first and uses it first gets a full refund. 

Diameter is 12.80 mm. Hole is about ~ 0.85 - 0.90 mm