Casio GS-1000BJ / GS-1000D Manual — Module 4343

One owner's manual PDF for the Casio module 4343 in English. Casio fitted it in 4 models, including the GS-1000BJ and GS-1000D — the full list is below. Casio's spec sheet lists one CTL1025, with 5 months of battery life and accuracy within ±20 seconds a month; the module first shipped in Jan 2007.