Lemania caliber 5100
The Lemania caliber 5100 is a mechanical chronograph movement that was released in the 1980s. It is considered to be a highly reliable and accurate movement, and was used in a variety of watches, including military and aviation timepieces. The caliber 5100 features a unique three-register layout, with the 12-hour and 30-minute chronograph registers sharing the same sub-dial. The movement also has a quickset date function, allowing for easy adjustment of the date display. With a power reserve of approximately 48 hours, the caliber 5100 is a robust and dependable movement that has become a favorite among watch enthusiasts.