Is a Longines watch worth anything?

Are Longines watches valuable? In this day and age, some models can easily sell on the preowned market for around $9,000. Their higher-end watches offer tremendous value since these are usually complicated mechanical timepieces that would sell for a whole lot more if they were from any other brand.

How long should a Longines battery last?

Depending on the type of Longline watch you have the battery lifespan will vary. Many models will last around 4 years and mechanical models will typically last between 1 to 2 years.