FEATURED IN

  • "The perfect companion for those who test their limits daily."
  • "The toughest smartwatch we've ever put through our endurance test."
  • "Military-grade durability meets premium smartwatch features."
  • "Redefining what 'built to last' means in wearable tech."
  • "Finally, a smartwatch you don't need to baby."
  • "The smartwatch equivalent of an all-terrain vehicle."

ELITE PERFORMANCE WEARABLE

EXTREME DURABILITY

The most resilient smartwatch engineered to overcome any challenge.

Designed for adventure seekers, this powerful device combines rugged construction with advanced technology for unparalleled performance in harsh environments.

Tough. Intelligent. Reliable.

DESIGNED TO SURVIVE DESIGNED TO SURVIVE

ADVENTURE READY

DESIGNED TO SURVIVE

Designed for those who push limits. Waterproof, shockproof, and ready for your biggest challenges.

Viper XL Smartwatch - North511

BATTERY LIFE

Your world doesn't stop - neither should your watch. With up to 21 days of adaptive battery life, Viper XL keeps you moving when others need charging.

  • 21days

    of normal use

  • 17days

    with all features active

  • 11days

    of intense outdoor workout

INNOVATION MEETS STRENGTH

Control your world from your wrist with the ViperXL® Smartwatch. Built to outlast. Designed to outperform.

  • INDESTRUCTIBLE

    MILITARY-GRADE DURABILITY

  • SHOCK PROOF

    PERFECT FOR EXTREME ENVIRONMENTS

  • VITAL STATS

    YOUR 24/7 HEALTH COMPANION

  • SOUND CLARITY

    BUILT-IN HI-FI SPEAKER SYSTEM

  • WATERPROOF

    EN13319 CERTIFIED - 10 ATM

  • FAST CHARGING

    RECHARGE IN RECORD TIME

  • BRIGHT DISPLAY

    EASY-TO-READ SCREEN IN ALL LIGHTING.

  • LIFETIME WARRANTY

    GUARANTEED SATISFACTION

DISCOVER YOUR VIPER XL

Unlock advanced features that seamlessly blend into your daily life, always at your command.

  • COMPATIBLE WITH ANY SMARTPHONE

    Download our partnered app from Google Play or App Store & connect your IOS or Android smartphone to unlock the Viper XL full capabilities.

  • KEEP IN TOUCH & STAY UP TO DATE

    Receive messages, calls, and updates instantly on your wrist. Stay informed and ahead of everything that matters with the Viper XL Smartwatch.

  • MONITOR YOUR VITALS

    Get instant access to your vital functions, physical condition and personal life without having to stop your activity.

  • BUILT IN HI-FI SPEAKER AND MICROPHONE

    Make and receive phone calls directly from the watch, with active microphone detecting and canceling unwanted background noise. 

  • REVOLUTIONIZING YOUR SLEEP EXPERIENCE

    Our advanced sleep tracking system works silently through the night, capturing every crucial detail of your rest.

TESTED IN THE HARSHEST CONDITIONS

TITANIUM STRENGTH

The NorthTime Viper XL Smartwatch was designed for harsh Canadian winters that can handle -35° temperatures without breaking a sweat.

  • Heart Rate Monitor

    Tracks your heartbeat in real-time for continuous cardiac monitoring

  • Blood Pressure Monitor

    Measures systolic and diastolic pressure throughout the day

  • Oxygen Level Monitor

    Records blood oxygen saturation levels during daily activities

  • Sleep Tracker Analysis

    Monitors sleep cycles and provides detailed rest quality data

  • Stress Level Monitor

    Measures physical stress markers to track mental well-being

  • Step Counter

    Records daily steps and distance covered during activities

  • Voice Assistant

    Controls watch functions through natural voice commands

  • Sports Activities Tracker

    Monitors various workout types and exercise intensity

  • Calories Counter

    Tracks energy expenditure and daily caloric consumption

  • Sedentary Reminder

    Alerts when you've been inactive for too long

See more features
  • Weather Updates

    Provides real-time local weather and forecast information

  • Social Media Notifications

    Displays alerts from your connected social accounts

  • Calls And Messages

    Manages phone communications directly from your wrist

  • Customizable Watch Faces

    Personalize your display with various watch designs

  • Vibrate Only Setting

    Delivers silent notifications through gentle vibrations

  • Alarm Clock

    Sets multiple alarms with smart wake-up functionality

  • Flashlight Mode

    Provides emergency lighting in dark environments

  • Find My Phone

    Locates your connected smartphone through sound alerts

  • 21 Day Battery

    Long-lasting power on a single charge for enduring performance

  • 100m Waterproof

    Protects against water damage during swimming activities

YOUR WATCH, YOUR WAY

EXPRESS YOUR STYLE

Transform your Viper XL with watch faces that combine function and aesthetics. Display the information that matters most to you in a design that feels uniquely personal.

Viper XL Smartwatch - North511

RISE ABOVE THE REST

READY TO DOMINATE

In a world where every second counts, average isn't an option.

Designed for the bold and built for the relentless, Viper XL is more than just a piece of technology; it’s a testament to resilience, precision, and performance that never quits.

Frequently Asked Questions

Have questions? We're here to help.

Will I have to pay customs or import taxes?

No worries! We've got you covered – our company takes care of all taxes, regardless of your location.

Is The NorthTime Smartwatch Durable?

Crafted from corrosion-resistant titanium, each smartwatch guarantees a durable and resilient watch that you'll never need to replace.

Will It Work With My Phone?

Yes! Our smartwatches are fully compatible with all iOS and Android phones and can connect via our free dedicated app.

Will It Fit My Wrist?

Absolutely! Our watches feature adjustable straps, ensuring a perfect fit for any wrist size with a maximum adjustment of 10.5 inch or 26.5 cm circumference.

Can I Receive Calls & Texts?

Certainly! Seamlessly answer calls or texts without the hassle of reaching for your phone.

FAQS

Still have questions?

Ask Our Team

MONEY-BACK GUARANTEE

If you're not satisfied with The Viper XL Smartwatch, you don't even need to send it back.

Tear up the invoice,
you won't owe us a cent.

Contact us for a full refund.

Reviews

4.76

Based on 6,724 reviews

  • 5 5,998
  • 4 471
  • 3 134
  • 2 67
  • 1 54

What customers are saying Written from the 100 most recent customer reviews

Customers say the Viper XL is the toughest watch they have owned, and it has been tested: worn through desert hikes, bike crashes and drops on concrete without a mark, with up to three weeks of battery in real use. Former Apple users say the screen is brighter than their old Series 8 and the interface is snappy. The titanium case looks far more expensive than it is, wears comfortably all day, and testers say every early complaint was fixed.

6,724 reviews
  • Derek G.

    Verified Buyer

    Been testing North 511's watches since their Kickstarter days, and the Viper XL is their best work yet. It's like they took every single complaint from our early feedback sessions and crushed them. Screen visibility was always decent, but now it's perfect in any lighting. The new titanium finish is way more scratch-resistant than the original samples. Even the app got a complete overhaul - remember those sync issues we used to have? Ancient history. Really cool seeing a company actually use tester feedback instead of just pushing out minor updates.

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  • Frederick W.

    Verified Buyer

    Former Apple fanboy here and never thought I'd switch, but my brother wouldn't shut up about his Viper XL. Finally caved and now I get the hype. The screen is actually brighter than my Series 8, and I don't miss that fancy touch crown at all. Interface is snappy, notifications are clean, and the fitness tracking is surprisingly detailed. My old watch would've been toast after the abuse I've put this through. Plus I can finally go on weekend trips without packing a charger.

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  • Jeremiah P.

    Verified Buyer

    Lucky enough to be one of the beta testers for the Viper XL since I was a day-one Nexus Pro user. Let me tell you, they took all our feedback and knocked it out of the park. They kept the tank-like durability but made it way more comfortable for all-day wear. The screen is next level - I can actually read notifications without that awkward wrist twist. What impressed me most is how they improved the heart rate sensor - used to lose tracking during intense workouts, now it stays locked even during my most brutal CrossFit sessions. I thought the sleep tracking on the Pro was good, but this is on another level - shows you exactly when you hit deep sleep and what disturbed you. Plus the app got a complete overhaul - clean, fast, and hasn't crashed once. Props to the dev team for listening to the community. Seriously, if you liked the Nexus Pro, you'll love this upgrade.

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  • Matthew W.

    Verified Buyer

    Real talk about the Viper XL from someone who's destroyed three "premium" smartwatches last year. Survived my klutzy nature - dropped it on concrete, banged it against my kayak, even had it on while fixing my bike chain. The titanium case looks way more expensive than what I paid. Heart rate monitoring is spot-on during my trail runs, and the sleep tracking data actually helped me fix my caffeine-fueled disaster of a sleep schedule. Water resistance holds up in classic Seattle rain and weekend swims. For this price? No brainer.

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  • Mitchell J.

    Verified Buyer

    Been through a rollercoaster of testing this bad boy for 29 days - desert hiking in Arizona, weightlifting at Gold's, and crashing on my mountain bike twice. Still sitting at 34% battery which is straight-up wizardry. The titanium build laughed off every hit, and the heart rate tracking stays locked even when I'm gasping through burpees. Sleep tracking called me out on my 4AM gaming sessions - turns out they're not great for recovery, who knew? Screen's always clear whether I'm blinding myself checking notifications at 3AM or squinting under Texas sun. Waterproof enough to handle my shower playlist's entire duration. At this price point? Absolute theft.

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  • Benjamin H.

    Verified Buyer

    Never thought I'd write a detailed product review but the Viper XL deserves it. First off, 35 days of continuous use and still rocking 31% battery - that's actual insanity compared to my graveyard of dead smartwatches. Build quality punches way above its price point - the titanium feels premium and tough. Put it through the wringer at the gym, picked up heavy boxes while moving, even wore it playing basketball. Screen still pristine, no scratches anywhere. Love how the display handles different lighting - always readable whether you're under fluorescent gym lights or bright sunshine. The fitness tracking is shockingly good for the price. Heart rate monitoring stays consistent even during intense cardio, and it actually recognizes different exercises automatically.

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