Casio appears to be preparing a new wearable announcement for July 29, with teaser messaging pointing to some form of wearable innovation. That timing lines up with earlier speculation around the rumored CRW-H001 ring watch, a device that surfaced in a regulatory filing in May.

The biggest point of interest is the product name itself. Based on the earlier filing, watchers have suggested the CRW-H001 could expand Casio’s ring watch concept by adding a heart rate sensor, with the “H” in the model number seen as a possible clue. If that reading is correct, the company may be moving beyond a novelty-style ring watch toward something with more fitness tracking appeal.

The rumor has also gained traction because Casio already uses heart rate sensing in parts of its G-Squad lineup. That has led to guesses that similar sensor technology could be adapted for a much smaller wearable format, although the company has not confirmed any specifications yet.

For now, the July 29 teaser is the strongest sign that an official reveal may be close. Until Casio shares full details, the CRW-H001 remains an unconfirmed product, but the combination of the teaser and the earlier filing suggests the rumored ring watch could be unveiled before the end of the month.