LM Sequential Flyback

A fully integrated dual flyback chronograph system engineered by Stephen McDonnell for MB&F, incorporating a Twinverter switch for versatile timing. This manual-wind movement features double mainsprings, a 72-hour power reserve, and a flying balance with Breguet overcoil at 12 o'clock. It includes 619 components, 63 jewels, and high-end NAC-finished bridges, operating at 3Hz.