Description:

• Hand-winding form movement, 21,600 A/h
• 30 jewels, including 3 in screwed gold chatons
• Small second
• Hand-engraved balance cock with Swan's neck fine regulation
• Glucydur screw balance with hacking seconds, Nivarox hairspring
• Glashütte three-quarter plate, bridges with Glashütte ribbing
• Power reserve 42 hours