The correct timezone for the announcement is CEST, not CET. Nowhere in the world is setting clocks to CET in August. This feels like an appropriate bit of pedantry for an article about a high precision timepiece.
The next-generation Garmin Fenix 9 series could be officially unveiled as early as next week. Ahead of any formal announcement, 18 distinct models have already appeared on a retailer's website, coinciding with invitations to an upcoming Garmin launch event.