Watch Review & Details: Longines Flagship L4.984.4.79.2
Disclaimer: The video above is for example and general guidelines only. It may not be entirely specific to your exact model, and quality/accuracy depends on third-party availability. If in doubt, please refer to your specific watch handbook or consult a professional.
Required Power Source
LIR920
This watch requires a standard battery. Grab a replacement below.
Power
Buy Replacement Battery
Amazon: LIR920
Tool Kit
Buy Recommended Tool
Amazon: Watch Repair Kit