Apple Watch Series 12 vs Ultra 4: Every Single Difference Detailed in Real World!

Here's every single difference between the Apple Watch Ultra 4 and Apple Watch Series 12 compared, side-by-side!

And here's the full post with even more geeky details: dcrainmaker.com/2026/09/applewatch-series12-vs-apple-watch-ultra4-in-depth-review-comparison.html

0:00 Quick Overview
0:29 Pricing and Band Options
1:25 Case Sizing & Wrist Comparisons
2:03 Cellular Options
2:21 Titanium & Ceramic Versions
2:58 Scratch Resistance (Real World Testing)
3:50 Button Guard & Bigger Digital Crown
5:09 Display Size, Materials, and Brightness Differences
7:58 Action Button & Precision Start
8:42 Workout Data Fields
9:00 GPS Accuracy Differences
9:24 Satellite Messaging Features (SOS, iMessage, FindMy)
10:46 Battery Life Comparisons (Smartwatch, GPS, Low Power)
12:17 Quick Charging Time Changes
12:50 Emergency Siren
13:14 Waterproof Differences
13:24 Depth Gauge Differences
13:48 Scuba Diving Features & Oceanic+
14:28 Microphone Differences
14:59 Speaker Test Differences
15:26 Exclusive Ultra Watch Faces & Night Mode
15:50 All the same features
17:19 Which watch For me?