While all other G-Shock models are constructed with resin bezels and straps, the MRG-1100-2 is constructed completely of titanium.
2.
Model names also may For example, the'ER'series popular in Britain such as the TS100ERN, the TS100ERT and TS100ERX which were air-cooled twin-shock models made between 1979 and 1981 with only very minor technical and cosmetic differences between them.