RG: Rose Gold plated (a girly gold colour)
YG: Yellow Gold plated (a manly gold colour)
SS: Stainless Steel (or Hitler's elite force - depends on the context)
Note that in the context of Chinese replica watches, the term "gold" can only be applied very, very loosely.
TWF: a misspelling of WTF. Or, it could be TW Factory. A Chinese watch factory.
RG: Rose Gold plated (a girly gold colour)
YG: Yellow Gold plated (a manly gold colour)
SS: Stainless Steel (or Hitler's elite force - depends on the context)
Rose Gold is for guys with 10in dong
Yellow Gold is for Gypsy Men
Stainless Steel is for men with 2in dong
Plastic is for guys with 13in dongn especially if its a Casio
TWF: a misspelling of WTF. Or, it could be TW Factory. A Chinese watch factory.