Black Shark GS3 Smart Watch (BS-GS3) vs Yesido IO27 Bluetooth Calling Smart Watch
A side-by-side comparison of two of the best smart watches you can buy in Sri Lanka right now — The Yesido IO27 Bluetooth Calling Smart Watch is the cheaper of the two at LKR 10,899; the Black Shark GS3 Smart Watch (BS-GS3) costs LKR 3,100 more. Both are genuine with warranty, and you order in seconds with cash on delivery.
update Live LKR prices — updated November 2026.
At a glance
| GS3 Smart Watch (BS-GS3) | IO27 Bluetooth Calling Smart Watch | |
|---|---|---|
| Price | LKR 13,999 | LKR 10,899 |
| Discount | 53% off | 64% off |
| Warranty | 1 Year | 6 Months |
| Availability | In stock | In stock |
| Condition | Brand New | Brand New |
Which should you buy?
Choose the Black Shark GS3 Smart Watch (BS-GS3) if…
- check_circle you'll pay LKR 3,100 more for its extra capability
- check_circle a longer warranty matters (1 Year)
Choose the Yesido IO27 Bluetooth Calling Smart Watch if…
- check_circle you want to spend less — it's LKR 3,100 cheaper
- check_circle the bigger saving appeals (64% off RRP)
Still can't decide? Our buying guides rank the full range, award by award.
Full specifications compared
| Spec | GS3 Smart Watch (BS-GS3) | IO27 Bluetooth Calling Smart Watch |
|---|---|---|
| Brand | BLACK SHARK | Yesido |
| Display | 1.43″ AMOLED, 466×466, 60 Hz, ~600 nits brightness | 2.02-inch TFT Touch Display |
| Battery | 400 mAh, up to 21 days use, 45 days standby | — |
| Charging | Wireless charging | — |
| Water & Dust Resistance | 5 ATM + IP69K | — |
| Durability | Military‑grade build | — |
| GPS | Independent GNSS five‑satellite positioning | — |
| Connectivity | Bluetooth 5.3 + BT3.0 | — |
| Sensors | Heart rate, blood oxygen (SpO₂), sleep, stress | — |
| Sports Modes | 100+ | Multiple |
| Watch Faces | 150+ including AI faces | — |
| Compatibility | Android & iOS | Android & iOS |
| Category | Smart Watches | Smart Watches |
| SKU | 1971 | 16723 |
| Warranty | 1 Year | 6 Months |
| Model | — | Yesido IO27 |
| Product Type | — | Smart Watch |
| Resolution | — | 320 × 385 |
| Bluetooth | — | Bluetooth 5.0 |
| NFC | — | Yes |
| Battery Capacity | — | 200mAh |
| Battery Life | — | Up to 5 Days |
| Water Resistance | — | IPX5 |
| Health Features | — | Heart Rate, Sleep, Steps, Calories, Activity Tracking |
| App Support | — | Dedicated Companion App |
| Body Material | — | Metal Alloy + PC + TPU |
Keep comparing
Frequently asked questions
Which is better, the Black Shark GS3 Smart Watch (BS-GS3) or the Yesido IO27 Bluetooth Calling Smart Watch? expand_more
The Yesido IO27 Bluetooth Calling Smart Watch is the cheaper of the two at LKR 10,899; the Black Shark GS3 Smart Watch (BS-GS3) costs LKR 3,100 more. Pick the Black Shark GS3 Smart Watch (BS-GS3) if you'll pay LKR 3,100 more for its extra capability. Pick the Yesido IO27 Bluetooth Calling Smart Watch if you want to spend less — it's LKR 3,100 cheaper. Both are 100% genuine and supplied with warranty by DreamTek.
What's the price difference between the Black Shark GS3 Smart Watch (BS-GS3) and Yesido IO27 Bluetooth Calling Smart Watch? expand_more
The Black Shark GS3 Smart Watch (BS-GS3) costs LKR 3,100 more — LKR 13,999 vs LKR 10,899 for the Yesido IO27 Bluetooth Calling Smart Watch. Prices are in LKR and updated November 2026.
Can I pay for either in installments? expand_more
Yes. KOKO splits either into 3 payments — about LKR 5,226 each on the Black Shark GS3 Smart Watch (BS-GS3), or LKR 4,069 on the Yesido IO27 Bluetooth Calling Smart Watch. Those amounts include KOKO's 12% plan fee, so a KOKO order totals 12% above our cash price; cash on delivery and bank transfer cost the listed price.
Is cash on delivery available for the Black Shark GS3 Smart Watch (BS-GS3) and Yesido IO27 Bluetooth Calling Smart Watch? expand_more
Yes — cash on delivery is available in most areas of Sri Lanka, so you can check either phone before you pay. We also accept bank transfer and KOKO installments.
Where can I buy the Black Shark GS3 Smart Watch (BS-GS3) or Yesido IO27 Bluetooth Calling Smart Watch in Sri Lanka? expand_more
Order either from DreamTek in one step — name, phone and address — and we deliver island-wide from our Colombo store — typically within 1–5 business days.