The Jaeger-LeCoultre Master Watch is a luxury timepiece that is highly sought after by watch collectors around the world. As with any luxury item, the resale value of a second-hand Jaeger-LeCoultre watch is affected by a number of factors, including its age, condition, and model.

In general, older Jaeger-LeCoultre Master Watch models may have a higher resale value than newer ones. This is because vintage watches are often highly sought after by collectors, and therefore command a premium price. Additionally, the condition of the watch is a significant factor in determining its resale value. A well-maintained watch in good condition will command a higher price than one that has been heavily worn and shows signs of wear and tear.
The specific model of the Jaeger-LeCoultre Master Watch is also a determining factor in its resale value. Some models are considered more rare and collectible than others, and will therefore have a higher value on the secondary market. For example, the Jaeger-LeCoultre Master Ultra Thin Moon, with its sleek and classic design, is often highly sought after by collectors.
In conclusion, the Jaeger-LeCoultre Master Watch can certainly have significant resale value, especially if it is an older model or a rare collectible piece. However, as with any luxury item, it is important to consider the condition and specific model of the watch when determining its potential resale value.