其他人也标记了
同一事件，另外被标记了 1 次。 在时间线上它们会叠放，关注最多（其次浏览最多）的在最上面：Apple Watch Ultra 4 发售。
Apple Watch Ultra 4 发售@DeviceDesk0 人关注 · 18 次浏览显示在最上面
第一项始终是图钉的来源。总体可信度是各份资料对上方所用开始和结束时间支持程度的加权平均；资料每比最新的一份旧 180 天，权重减半。
上市日期来自苹果官方新闻稿（https://www.apple[2].com/newsroom/2026/09/get-ready-to-experience-iphone-18-pro-the-new-apple-watch-lineup-and-airpods-5/），文中将Apple Watch Ultra 4列为可预订产品，并称Apple Watch系列
Apple's[1] Ultra 4 tech-specs page gives the 49mm x 44mm x 12mm Grade 5 titanium case at 63.0 g, a flat sapphire display with "3000 nits peak brightness", 100m water resistance, EN13319 diving to 40m and satellite communications.
Smartwatch Insight's own reporting states the device was "Announced: September 9, 2026," one day after the pin's stored 8 September 2026 date, with in-store availability beginning "Friday, September 18, 2026."
The 5K Runner corroborates, noting the announcement was expected "Wednesday, September 9, 2026" and was confirmed accurate that day, one day after the pin's stored date, with shipping "likely towards the latter half of September."
有遗漏或错误吗？用你自己的话说明：能佐证此图钉的链接、不同的开始或结束日期及理由，或缺失、有误的信息。AI 会对照此图钉的来源进行核实，搜索更好的来源，并添加任何支持你说法的页面。图钉自身的来源仍然最重要。AI 也会查看图片：显示的是别的东西或显示效果差的图片会被移到后面或替换。
原标题: Apple Watch Ultra 4
Multisport watch with up to 48 days battery and phone-agnostic Garmin Connect; TechRadar scored it 5 stars versus 4.5 for Ultra 3.
来源同一事件，另外被标记了 1 次。 在时间线上它们会叠放，关注最多（其次浏览最多）的在最上面：Apple Watch Ultra 4 发售。