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Watches overview
| Question | Answer |
|---|---|
| S10 SiP | Chip architecture used in the entire 2025 lineup (Ultra 3, Series 11, SE 3), featuring a 64-bit dual-core processor and 4-core Neural Engine. |
| Series 11 Case Materials and colors | Aluminum (Matte finish: Midnight, Starlight, Silver, Rose Gold, Jet Black) and Polished Titanium (Replaces Stainless Steel: Natural, Slate, Gold). |
| 46mm height x 39mm width x 9.7mm depth. Weight: ~37.8g (Aluminum) / ~43.1g (Titanium). | |
| 42mm height x 36mm width x 9.7mm depth. Weight: ~30.3g (Aluminum) / ~34.6g (Titanium). | |
| Thickness of the Series 11, the thinnest Apple Watch ever. | |
| Ultra 3 Peak Brightness | 3000 nits (Brightest Apple screen). |
| Series 11 Peak Brightness | 2000 nits. |
| SE 3 Peak Brightness | 1000 nits. |
| Minimum Brightness (All Models) | Drops to 1 nit for sleep/theater modes (SE 3 dims to 2 nits). |
| Ultra 3 Water Resistance | WR100 (100 meters), Dive certified (EN13319) to 40 meters, with dedicated depth gauge and water temp sensor. |
| Series 11 Water Resistance | WR50 (50 meters), Snorkel ready to 6 meters, with depth gauge app and water temp sensor. |
| SE 3 Water Resistance | WR50 (50 meters), Swim-proof (pool/ocean) but NO depth gauge or water temp sensor. |
| Ultra 3 Normal Battery Life | 42 hours (Real world often 48+). |
| Series 11 Normal Battery Life | 24 hours (Real world "All day + Sleep"). |
| SE 3 Normal Battery Life | 18 hours (Real world "All day, charge at night"). |
| Ultra 3 Low Power Mode Battery | Up to 72 hours. |
| Series 11 Low Power Mode Battery | Up to 38 hours. |
| SE 3 Low Power Mode Battery | Up to 32 hours. |
| Ultra 3 Charging Speed | 0-80% in 45 minutes. |
| Series 11 Charging Speed | 0-80% in 30 minutes (Fastest charging). |
| SE 3 Charging Speed | 0-80% in 45 minutes. |
| Ultra 3 Band Hardware Material | Titanium (buckles, loops, lugs) to match the matte finish of the Ultra case. |
| Series 11 Band Hardware Material | Stainless Steel (snaps, magnetic latches, buckles) to match the shiny finish of Polished Titanium or Aluminum cases. |
| Ultra / Titanium Hardware Bands | Alpine Loop (Titanium G-hook), Trail Loop (Titanium adjustment tab), Ocean Band (Titanium buckle), Titanium Milanese Loop (Titanium mesh and buckle). |
| Series 11 / Stainless Steel Hardware Bands | Modern Buckle, Link Bracelet (316L Stainless steel), Standard Milanese Loop, Hermès Bands. |
| Large Class Band Compatibility | 42mm (Series 1-3), 44mm (SE/Series 4-6), 45mm (Series 7-9), 46mm (Series 11), 49mm (Ultra) are compatible with each other. |
| Small Class Band Compatibility | 38mm, 40mm, 41mm, 42mm (Series 11) are compatible with each other. |
| Series 11 42mm Band Compatibility | Uses "Small" bands (compatible with 38/40/41mm). |
| Ultra 3 Band fit on Series 11 | Yes, 49mm Titanium bands fit the 46mm Series 11 perfectly (lug width is identical). |
| Siren | Feature exclusive to Ultra 3, emits an 86-decibel sound heard up to 600 feet (180 meters). |
| Ultra 3 GPS | Precision Dual-Frequency GPS (L1 + L5); L5 penetrates trees and skyscrapers. |
| Series 11 & SE 3 GPS | L1 GPS only. |
| Health Sensors Exclusive to Ultra 3 & Series 11 | ECG (Electrocardiogram), Blood Oxygen (SpO2 - hardware present, software disabled in US post-Jan 2024), Water Temperature Sensor, Depth Gauge. |
| Ultra 3 Off-Grid Connectivity | Supports Satellite Messaging via watchOS 12+ optimized hardware antennas for texting without cellular/Wi-Fi. |
| Construction/Welding Recommendation | Ultra 3, because the flat display is flush with the titanium bezel, protecting the glass from side-impact shocks. |
| SE 3 and Blood Oxygen | SE 3 cannot measure blood oxygen; must step up to Series 11 or Ultra 3 for the sensor hardware. |
| Old 44mm Band on Ultra 3 | Yes, 44mm bands are compatible with the 49mm Ultra case and click in securely. |
| Cellular Model Price Difference | Adds $100 for dedicated LTE/5G antenna and eSIM capability for independent function. |
| Series 11 Titanium Scratch Resistance | Natural Titanium is extremely scratch-resistant; Slate (Black) Titanium has DLC coating and is very hard but polished finish may show micro-abrasions more than matte Ultra 3. |
| Ultra 3 Weight for Sleep Tracking | 61.8g (nearly double Aluminum Series 11); Trail Loop is recommended for comfort if found bulky. |
| Bands Without Sizes (One Size Fits Most) | Ocean Band (Ultra), Sport Loop (Velcro), Nike Sport Loop (Velcro) - still need to select correct lug size. |
| Hermès In-Store Availability | Generally Online Only or restricted to high-tier Flagship stores. |
| Action Button | Programmable hardware key exclusive to Ultra 3 (Orange button) for instant workout start, flashlight, waypoints, etc. |
| SE 3 Double Tap Gesture | Yes, supported because it uses the S10 SiP. |
| SE 3 Back Case Material | Nylon Composite (plastic feel), not ceramic/glass like Series 11 and Ultra 3. |
| Upsell Argument: SE to Series 11 | Sell Health and Visibility: Series 11 has ECG, 2000 nits (2x SE), and charges 33% faster (critical for sleep tracking). |
| Durability Argument: Series 11 vs Ultra 3 | Ultra 3 is better for clumsy users; Series 11 has curved glass (vulnerable to doorframes), Ultra 3 has flat glass protected by a titanium lip. |
| Titanium Band Trick (Sales Scenario) | Put an Ultra Trail Loop or Alpine Loop on a Series 11 (46mm); it fits perfectly and gives the rugged look for $99. |