The Rangeman series was introduced in 2013 and has ABC (Altimeter, Barometer, Compass) features, along with added GPS connectivity being introduced in 2018. The MASTER line was designed for land, aviation or sea related activities. The watches in the MASTER line include the Mudmaster (designed for people related for the army or people related with land related jobs), the Gravitymaster (designed for pilots or people related with aviation industry) and the Gulfmaster (designed for marine forces or people related with the shipping industry).