Samsung Galaxy Watch8 Classic 46 mm LTE – Black (SM-L505FZKDDBT)
LTE with eSIMRotating bezel64 GB storage5ATM + IP68 + MIL-STD-810H
The Samsung Galaxy Watch8 Classic 46 mm LTE (SM-L505FZKDDBT) is Samsung’s Wear OS smartwatch with the physical rotating bezel, in Black, with its own mobile connection through an eSIM. With LTE you can take calls, get messages and stream music while your phone stays at home — useful for runs, the gym or the beach. The 1.3-inch Super AMOLED display reaches up to 3,000 nits for outdoor readability, 64 GB of storage (49.3 GB usable) holds offline music, and the 445 mAh battery is rated for up to 40 hours with Always On Display off (30 hours with it on). It is built to 5ATM, IP68 and MIL-STD-810H, and tracks heart rate, ECG, body composition (BIA) and skin temperature. It pairs with Android phones only.
Compatibility — check before buying:
Android only. Samsung lists compatibility with Android 12 or later phones with at least 1.5 GB of RAM. It does not work with iPhone. LTE needs a smartwatch eSIM from your mobile operator — check that your operator offers one, usually linked to your phone number. Straps: Galaxy Watch7 straps are a different fit and should not be assumed to work on the Watch8. Health features: Samsung notes that ECG and irregular heart rhythm notification availability can vary by country. No power adapter in the box — only the wireless charger with USB-C cable. Tell us your phone model and operator and we will confirm everything works before you buy.
Best For
✓ Android phone users who want calls and messages without the phone
✓ Runners and gym users who leave the phone behind
✓ People who prefer a physical rotating bezel to navigate
✓ Outdoor use — 3,000-nit display and MIL-STD-810H
✓ Health tracking with ECG, BIA and skin temperature
Key Features
LTE with eSIM
The watch has its own mobile connection. With an operator eSIM you can call, message and stream without your phone nearby.
Rotating bezel
The Classic’s physical bezel turns to scroll through apps, notifications and menus — precise even with sweaty fingers.
Tough and water resistant
5ATM water resistance, IP68 dust and water protection and MIL-STD-810H testing in a 46 mm case weighing 63.5 g.
Health sensors
Optical heart rate, ECG, bioelectrical impedance (BIA) for body composition and skin temperature, with dual-frequency GPS (L1+L5) for accurate outdoor tracks.
Technical Specifications
| Identification |
| Brand |
Samsung |
| Part Number |
SM-L505FZKDDBT |
| EAN / GTIN |
4066181056713 |
| Colour |
Black |
| Display |
| Size |
1.3″ (34 mm) |
| Type |
Super AMOLED |
| Brightness |
Up to 3,000 nits |
| Performance & Memory |
| Processor |
3 nm penta-core |
| RAM |
2 GB |
| Storage |
64 GB (49.3 GB available) |
| Battery & Charging |
| Capacity |
445 mAh |
| Battery Life |
Up to 40 h (Always On Display off) · up to 30 h (on) |
| Charging |
Wireless, coin-shaped charger with USB-C |
| Charger Type |
Coin-shaped wireless puck — keep it safe, the watch has no charging port |
| Connectivity |
| Mobile |
LTE with eSIM |
| Bluetooth |
5.3 |
| Wi-Fi |
802.11 a/b/g/n, 2.4 + 5 GHz |
| GPS |
Dual-frequency (L1 + L5) |
| Build & Durability |
| Case Material |
Stainless steel |
| Dimensions |
46.0 × 46.4 × 10.6 mm |
| Weight |
63.5 g |
| Protection |
5ATM · IP68 · MIL-STD-810H |
| Compatibility |
| Phones |
Android 12 or later, at least 1.5 GB RAM |
| iPhone |
Not supported |
| LTE |
Requires an operator smartwatch eSIM |
| Straps |
Galaxy Watch7 straps should not be assumed to fit the Watch8 |
| In the Box |
| Included |
Watch · wireless charger (USB-C) |
| Not included |
Power adapter; eSIM plan; spare straps |
| Warranty |
| Warranty |
1-Year Warranty (Singular) |
| Manufacturer Term |
Samsung does not state a warranty term on this watch’s product page; its voluntary warranty terms are published by country. Singular’s direct warranty is 1 year; beyond that we assist you with the manufacturer’s warranty process for its full duration. |
Frequently Asked Questions
Does the Galaxy Watch8 Classic work with an iPhone?
No. Samsung lists compatibility with Android phones running Android 12 or later with at least 1.5 GB of RAM. The watch cannot be set up with an iPhone.
What do I need to use the LTE connection?
An eSIM for smartwatches from your mobile operator, usually sharing your phone number. Without an eSIM plan, the watch still works over Bluetooth and Wi-Fi with your phone. Ask your operator whether it supports smartwatch eSIM before you buy, or ask us and we will help you check.
How long does the battery last?
Samsung rates the 445 mAh battery at up to 40 hours with Always On Display switched off and up to 30 hours with it on. Heavy LTE use, GPS workouts and music streaming shorten this, so plan on regular charging if you use those features a lot.
Is a charger included?
The box includes the wireless charging puck with a USB-C connection, but no power adapter. A standard USB-C phone charger can power it.
Singular Expert Insight
Pick the LTE Classic if you want to leave your phone behind — for runs, the gym or evenings out — and still take calls. If your phone is always with you, the Bluetooth-only Watch8 Classic (SM-L500) does the same watch job without an eSIM plan. The rotating bezel is the Classic’s signature; if you prefer a lighter touch-only watch, the standard Galaxy Watch8 is the alternative. Pair it with one of our
Galaxy smartphones, and add one of our
USB-C chargers if you need a spare power adapter.
Buyer’s Guide
Buy it if
You have an Android phone, want calls and messages from your wrist without the phone, and like the physical rotating bezel.
Skip it if
You use an iPhone — it will not pair. Your operator does not offer smartwatch eSIM, in which case the Bluetooth Watch8 Classic (SM-L500) costs less.
Also consider
Galaxy Watch8 Classic 46 mm LTE in White (SM-L505FZWAEUE). Galaxy Watch8 Classic Bluetooth (SM-L500). A USB-C power adapter for the included charger.