---
product_id: 408967727
title: "Invincible Smart Watch - Jet Black"
brand: "fire-boltt"
price: "£47.87"
currency: GBP
in_stock: true
category: "Fire Boltt"
url: https://www.desertcart.co.uk/products/408967727-invincible-smart-watch-jet-black
store_origin: GB
region: United Kingdom
---

# 1.39" AMOLED display IP67 water & dust resistance 24/7 optical heart rate monitor Invincible Smart Watch - Jet Black

**Brand:** fire-boltt
**Price:** £47.87
**Availability:** ✅ In Stock

## Summary

> 🔥 Stay Invincible, Stay Ahead ⌚

## Quick Answers

- **What is this?** Invincible Smart Watch - Jet Black by fire-boltt
- **How much does it cost?** £47.87 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/408967727-invincible-smart-watch-jet-black)

## Best For

- fire-boltt enthusiasts

## Why This Product

- Trusted fire-boltt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Weather Durability:** IP67 rating means your watch resists dust and survives up to 1m underwater for 30 minutes—ready for your daily hustle.
- • **Vibrant AMOLED Display:** Experience crisp visuals on a 1.39-inch AMOLED screen that keeps you connected in style.
- • **Seamless Smartphone Sync:** Pair effortlessly with your smartphone via the Fit Winner app for a personalized, intuitive experience.
- • **Built-in 8GB Music Storage:** Carry your favorite playlists on your wrist and leave your phone behind during workouts or commutes.
- • **Nonstop Heart Health Tracking:** Continuous 24/7 heart rate monitoring keeps you in tune with your wellness goals without missing a beat.

## Overview

The Fire-Boltt Invincible Smart Watch in Jet Black features a vibrant 1.39-inch AMOLED display, IP67 water and dust resistance, and continuous 24/7 heart rate monitoring. With 8GB of built-in music storage and seamless smartphone compatibility via the Fit Winner app, it’s designed for professionals who demand style, durability, and wellness tracking in one sleek package.

## Description

Fire-Boltt Invincible has an IP67 rating. Devices backed by an international standard rating of IP67 are deemed fit enough to withstand dust, dirt and sand, and are resistant to submersion up to maximum depth of 1m underwater for up to thirty minutes. If the device or your hands are wet, they must be dried thoroughly before handling. Note Avoid using the watch during scuba diving or high-speed water sport. Fire-Boltt Invincible is meant for only general wellness and fitness purposes and not for medical purposes. To get the best user experience of Fire-Boltt Invincible sync with the Fit Winner and pair it with your compatible smartphone. Battery life varies with use and other factors. Fire-Boltt Invincible takes approx. hours to charge. 24/7 Heart Rate monitor tracks your Heart Rate at an interval of minutes. The actual product may differ slightly in appearance to illustrations/pictures provided.

## Features

- 1.39

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09F6QBD25 |
| Age Range | Adult |
| Batteries | 1 Lithium Ion batteries required. (included) |
| Batteries Included? | Yes |
| Best Sellers Rank | #192,263 in Fashion ( See Top 100 in Fashion ) #5,287 in Men's Wrist Watches |
| Brand | Fire-Boltt |
| Color | Jet Black |
| Compatible with | Smartphone |
| Customer Reviews | 3.8 3.8 out of 5 stars (837) |
| Date First Available | 11 October 2021 |
| Display Size | 1.39 Inches |
| Display Type | AMOLED |
| Features | Heart Rate Monitor |
| Is Discontinued By Manufacturer | No |
| Item model number | BSW020 |
| Manufacturer | Fire-Boltt |
| Material Type | Silicone |
| Meter | Optical Heart Rate Sensor |
| Product Dimensions | 4.5 x 4.5 x 1.1 cm; 51 g |
| Shape | Round |
| Size | L |
| Sport | Diving |
| Style | Modern |
| Wattage | 240 watts |

## Product Details

- **Operating system:** Android
- **Memory storage capacity:** 8 GB
- **Special features:** Heart Rate Monitor
- **Connectivity technology:** Wireless
- **Wireless communication standard:** Bluetooth

## Images

![Invincible Smart Watch - Jet Black - Image 1](https://m.media-amazon.com/images/I/71xxec5mgwL.jpg)

## Frequently Bought Together

- Fire-Boltt Invincible Smart Watch - Jet Black
- Fire-Boltt Ninja Call Pro Plus 1.83" Smart Watch with Bluetooth Calling, AI Voice Assistance, 100 Sports Modes IP67 Rating, 240 * 280 Pixel High Resolution
- Fire-Boltt Phoenix Ultra Luxury Stainless Steel, Bluetooth Calling Smart Watch, AI Voice Assistant, Metal Body with 120+ Sports Modes, SpO2, Heart Rate Monitoring (Gold).

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**Shop now:** [https://www.desertcart.co.uk/products/408967727-invincible-smart-watch-jet-black](https://www.desertcart.co.uk/products/408967727-invincible-smart-watch-jet-black)

---

*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-05-29*