http://www.youtube.com/watch?v=wiLuWYnKkpY

Omega MOONWATCH Caliber 1863 (KeepTheTime Quickie)

Omega Speedmaster Professional MOONWATCH
Model: 311.30.42.30.13.001
Caliber: Omega 1863 (Lemania c.1873)

Famous manual-winding chronograph movement that was used on the Moon. Rhodium-plated finish.