To say this is "back from spa" doesn't do it justice. Our man @Archer restored this to pristine newness, leaving all the vintagy-esque parts as is. It nearly killed me waiting for the fedex fumblers to bring it home, but as they say, "I endeavored to persevere":
1988- until now worldwide smallest automatic chronograph
1988 exclusively designed for Blancpain, today in several high grade brands
ball-bearing rotor
Triovis micrometer regulator