This G-Shock 2100, with a katana hand, cherry blossom dial and roman numeral bezel, is a collaboration with the Japanese band One OK Rock.

as each bezel comes with its own matching strap and watch face. It’s genuinely fun, and the mechanism to change the bezel makes things really easy: you just twist and click to lock it in place.

The new DS-2 Turning Bezel comes in a couple of variants ... which is used on this strap. Elsewhere, the watch features 200m of water resistance and a 41mm case diameter with a 20mm lug width.

Casio Roman numerals are a strikingly odd sight on a G-Shock bezel, but it somehow works on the notoriously tough digital-analog watch. The one has been replaced with a circle to align with the band’s ...