Bloomberg's Mark Gurman outlines what to expect from Apple Watch Series 12 and Ultra 4

Bloomberg's Mark Gurman outlines what to expect from Apple Watch Series 12 and Ultra 4, which will be announced in September. The new models are expected to include health sensor upgrades and design refinements.

• Apple Watch Series 12 and Ultra 4: What to expect
• What to Expect From Apple Watch Series 12 and Apple Watch Ultra 4