Explorer II blue parachrom hairspring?

[Aspirin]

Model : Explorer II
Model No.: 16570
Case diameter: 40mm
Date of purchase: Sep 2010
Serial No.: G 05xx3x
Movement: Caliber 3186 (hour hand take 8 jumps for 1 manual full wind)

Q1: Is this watch featuring blue parachrom hairspring? (Why I asking for help here in this forum, because I bought the watch to RSC for such confirmation, but there's no one can give me an solid answer, it's funny!)

Q2: What is the benefit of blue parachrom spring?

Thanks!