Casio is a renowned Japanese brand known for manufacturing a wide range of watches, including digital, analog, and hybrid models. They are known for their reliability, durability, and innovative features.

The MTP series from Casio typically consists of analog watches with a classic and elegant design. These watches often feature a stainless steel case, mineral crystal glass for protection, and leather or stainless steel bands. The MTP series watches are known for their accurate timekeeping and various useful functions, such as date displays and water resistance.

The specific model you mentioned, the MTP 1381L-1AVDF, may have unique features or design elements that differentiate it from other watches in the series. To get detailed information about this particular model, including its specifications, features, and pricing, it's best to refer to Casio's official website, authorized retailers, or online marketplaces that sell Casio watches.

Please note that as my knowledge cutoff is in September 2021, any specific information or updates about the MTP 1381L-1AVDF model beyond that date would be unavailable to me.