Google’s next smartwatch is now very much in the rumor mill. With the company’s Made by Google event set for August 20, a fresh batch of marketing slides and promo images — shared by longtime tipster Evan Blass — has leaked online, and they paint a picture of a Pixel Watch that’s more fitness-ready, brighter, and a lot more Gemini-fluent than its predecessor. Take the details with the usual pinch of salt (these are leaks), but if they’re accurate, Google has packed some meaningful upgrades into the Pixel Watch 4.

• Two sizes: 41mm and 45mm, same split as last time.
• New “Actua 360” display with peak brightness up to 3,000 nits (huge for outdoor visibility).
• Battery life claims: ~30 hours for the 41mm, ~40 hours for the 45mm with always-on display enabled.
• 25% faster charging via a new Quick Charge Dock / side-mounted pogo arrangement.
• Deep Google Gemini integration — raise your wrist to talk, AI-generated replies that can sound like you, and tighter app-level hooks.
• Fitness and safety: ECG, SpO₂, HRV, breathing rate, dual-frequency GPS, 40+ exercise modes, and training readiness cues.
• US LTE models may include two years of Google Fi data as a promotional perk.
• Reported starting prices hover around $349 for the 41mm Wi-Fi model, with LTE and 45mm options a bit higher.

The images attributed to Evan Blass look like the sort of marketing deck a company would use on its store pages: glossy renders of multiple colorways, simple feature tiles, and a slide-by-slide breakdown of health features and battery claims. The emphasis isn’t just on cosmetics — several slides spotlight Gemini branding, workout coaching, and the display brightness number in big type. If Google is leaning hard into Gemini on wearables, that’s a clear sign the company wants these watches to feel like an extension of its AI ambitions, not just a Fitbit with notifications.

The Actua 360 name and the 3,000-nit figure stood out. That’s an enormous peak brightness claim (for context: most flagship phones and watches advertise far lower peak nits), and if true it would make the Pixel Watch 4 unusually readable in direct sunlight. The battery figures are also a step up from the Pixel Watch 3, which was often criticized for single-day endurance — so the 30/40-hour numbers would be meaningful for daily users and travelers.

The slides double down on health telemetry: ECG, SpO₂, HRV, breathing rate, fall and pulse-loss detection, and dual-frequency GPS for more accurate outdoor tracking. Combined with “over 40 exercises” and real-time coaching/readiness cues, the Pixel Watch 4 looks aimed at closing the functional gap between pure smartwatches and dedicated fitness wearables (a space Google entered seriously when it acquired Fitbit). In short: more data, more guidance, and better GPS for runs or hikes.

One of the leak’s biggest software claims is the watch’s deep Gemini integration. Marketing text reportedly promises features like raising your wrist to start a Gemini conversation, AI-generated replies that can emulate your voice, and tighter workflows across apps. That’s a big sell: most wearables keep voice assistants for quick tasks (timers, messages, music). If Gemini can do richer, personalized interactions on a tiny screen, that could make the Pixel Watch feel more like a stand-alone AI companion. Caveat: how that performs in real-world edge cases — noisy environments, latency, privacy settings — is still unknown.

The new charging approach appears to be a switch from the Pixel Watch 3’s magnetic puck to a side-mounted pogo arrangement and a Quick Charge Dock that’s claimed to be ~25% faster. Faster charging is welcome, but it can also mean accessory fragmentation: older chargers and third-party docks may not work, and replacement accessories could be slower to appear. Some outlets also point out that the “free Google Fi data” offer will likely be US-only and may exclude voice calls — that matters depending on how you planned to use LTE models.

Leaks suggest Google will keep base pricing similar to last year: roughly $349 for the 41mm Wi-Fi model and about $399 for the 45mm, with LTE variants roughly $50 more. Retail availability is usually a few weeks after the reveal; past reporting places preorder windows and shipments sometime in September–October, though Google sometimes surprises on timing. As always, leaked price lists vary by region and outlet, so treat the numbers as provisional.

If Google ships a genuinely brighter display, longer battery life, faster charging, and genuinely useful Gemini features on the wrist, the Pixel Watch 4 could be the most competitive Pixel wearable yet — one that competes not only on design and Fitbit heritage, but on standalone AI capability. Against Samsung and Garmin, the differentiator would be software and AI, rather than raw hardware specs. But the real test will be whether Gemini’s smarts are genuinely helpful on a tiny screen and whether the hardware changes (charging, GPS) deliver in everyday use.

These slides are the clearest preview yet of what Google might present on August 20. They show a Pixel Watch that’s less like a thin accessory and more like a pocketable AI + fitness hub. Still — leaks are leaks. We’ll know for sure when Google steps on stage at the Made by Google event and posts official specs. Until then, expect more leaks, a few last-minute reveals, and a handful of corrections as more people dig into the materials.