The G-Shock MTG-B2000 is a high-end G-Shock featuring a carbon monocoque chassis and metal construction.

The Casio Mudmaster GG-B100 features a Carbon Core Guard case with no less than four sensors.

The Apple Watch Series 4 features a larger display, improved processor, and numerous other improvements.

The Apple Watch Series 3 (GPS + Cellular) features LTE connectivity for greater independence.

The latest Apple Watch Series 3 features a faster dual-core processor and Apple's new W2 wireless chip.

The Apple Watch Series 2 is Apple's second generation smartwatch and it adds much requested features such as water resistance and a built-in GPS.