Casio recently revealed several new models from its “G-SHOCK Big Case” collection slated for release in January. In addition to three different iterations of the GA-310, the lineup also introduces both a black/grey and purple/green version of the GAC-110. The GA-310 models are available for ¥17,000‎ JPY (approximately $160 USD) plus tax and the GAC-110 versions are priced at ¥‎18,000 JPY (approximately $170 USD) plus tax. Look for them soon in early January.