The Garmin Fenix 8 Pro is a premium multi-sport GPS watch designed for athletes, explorers, and professionals who need a durable and versatile tool. It combines a rugged build with a high-resolution display, optional sapphire lens protection, and 10 ATM water resistance—making it reliable for swimming, snorkeling, and surface-level activities where a Garmin diving watch is useful. For those requiring full scuba functionality, Garmin’s Descent series remains the purpose-built Garmin dive computer line.
Key capabilities include multi-band GNSS with topo and marine chart support for precise navigation in any environment, along with sensors such as barometric altimeter, compass, thermometer, and optical heart rate. The watch supports advanced training features like VO₂ Max estimates, training readiness, stamina monitoring, and HRV status to guide recovery and performance planning. For daily use, it provides sleep tracking with morning summaries, smart notifications, Garmin Pay™ contactless payments, and music storage or streaming compatibility. Power management modes and optional solar charging allow users to extend runtime significantly, whether for short training sessions or long expeditions.
Compared to the original Fenix 8, the Fenix 8 Pro introduces several meaningful upgrades. The display is brighter and more energy-efficient, with AMOLED and microLED options, improving visibility in outdoor and marine conditions. GNSS performance is refined with stronger multi-band accuracy for both land and water navigation. New training metrics such as HRV status, readiness scores, and stamina tracking provide more detailed physiological feedback. Battery endurance has been extended through improved power management and expanded solar charging options. Finally, durability has been strengthened with updated material options and revised MIL-STD-810 testing, making the Fenix 8 Pro more resilient for demanding field use.
- Brighter, more efficient display with extended battery performance
- Improved multi-band GNSS positioning and navigation accuracy
- New readiness and recovery metrics, including HRV and stamina tracking
- Expanded mapping options with topo and marine chart support
- Ruggedized build with 10 ATM rating and refined durability standards

Rugged by Design
Dive-rated construction with leak-proof buttons, metal sensor guard, a titanium bezel, and a scratch-resistant lens around a bright 1.4″ AMOLED display. Built and tested for harsh environments while remaining comfortable for everyday wear.

Display Technology & Options
The Garmin Fenix 8 Pro is offered with two advanced display technologies: AMOLED and MicroLED. Both provide always-on capability, vivid color, and crisp resolution, but are tuned for different priorities—battery efficiency versus maximum outdoor brightness.
- AMOLED (47 mm & 51 mm models): delivers deep blacks, high contrast, and rich colors. This version also provides the longest reported battery life—up to around 27 days in smartwatch mode or ~15 days with always-on enabled, depending on settings and usage.
- MicroLED (51 mm flagship model): Garmin’s brightest watch display to date, peaking at roughly 4,500 nits. Optimized for readability in direct sun and high-glare marine environments. Current runtimes are shorter than the AMOLED variant—about 10 days in smartwatch mode or ~4 days with always-on enabled.

Maps & Navigation
Navigate confidently with preloaded TopoActive maps with relief shading (on Sapphire models), global golf and ski maps, and dynamic round-trip routing that helps you get back on time. Plus, on-device routing tools and multi-band GNSS for reliable positioning in tough environments.

Built-in inReach® + LTE
Leave the phone behind. Use LTE for voice calls, voice/text messages, LiveTrack™ and weather. Outside coverage, inReach provides two-way satellite messaging, location check-ins, and interactive SOS to Garmin Response. (Subscription/coverage required.)
Perfect for:
- Trail and ultra adventurers who want phone-free safety & comms
- Athletes tracking training load, recovery, and race-day metrics
- Everyday users who value AMOLED clarity, speaker/mic, and flashlight
Trusted Garmin Quality
Backed by Garmin’s ecosystem and support network, Fēnix 8 Pro combines durable hardware with rich software and subscription options to fit your adventures.
Garmin Watch Comparison — Key Features
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| Feature | fēnix 8 | fēnix 8 Pro (AMOLED) NEW |
Descent Mk3i | Descent G2 |
|---|---|---|---|---|
| Display | AMOLED or Solar (MIP), model-dependent | 1.4″ AMOLED (454×454) | AMOLED (43 mm: 1.2″; 51 mm: 1.4″) | 1.2″ AMOLED (390×390) |
| Case sizes | 43 mm, 47 mm, 51 mm (series variants) | 47 mm, 51 mm (Pro AMOLED) | 43 mm or 51 mm | 45.5 mm |
| Water / dive | 10 ATM · Dive (EN13319) to ~40 m | 10 ATM · Recreational dive features | Dive-rated to 200 m (EN13319) | Dive-rated (EN13319) |
| Dive modes | Recreational scuba & apnea · Bühlmann ZHL-16C | Recreational dive functions (not a tech computer) | Air, nitrox, trimix, CCR (GF) | Rec/tech (varies by model) |
| Air integration | No | No | Yes (with T2) | No (G2i supports AI) |
| Connectivity | Bluetooth®, ANT+®, Wi-Fi® | NEW Built-in inReach® · NEW LTE calls & messaging · Bluetooth®, ANT+®, Wi-Fi® | Bluetooth®, ANT+®, Wi-Fi® | Bluetooth®, ANT+®, Wi-Fi® |
| Maps & GPS | On-device maps (select models) · Multi-band GNSS | TopoActive (Sapphire), golf/ski maps · Multi-band GNSS | DiveView™, topo · Multi-band GNSS | Multi-GNSS · Garmin Dive™ app |
| Battery — smartwatch | Varies by size & display | Up to 15 days (47 mm) / 27 days (51 mm) | Up to ~25–29 days | Up to ~10–12 days |
| Battery — GPS / dive | — (recreational only) | GPS: 44 h (47 mm) / 78 h (51 mm) | Dive: 30–66 h | Dive: up to 27 h |
| Materials | Sapphire lens (Sapphire models) · Steel/titanium cases | Sapphire lens · Titanium bezel · FRP case w/ titanium rear | Sapphire lens · Steel/titanium case | Sapphire lens · Polymer case |
| LED flashlight | Yes | Yes | Yes | No |
| Speaker & mic | Yes (calls/voice assist) | Yes — supports LTE calls | Yes | No |
Notes: Coverage & subscriptions required for LTE/inReach features. Battery varies by size, display type, settings (AOD, GNSS mode), and usage.
- Garmin Fenix 8 dive computer — the top Garmin dive computer and smartwatch without air integration
- Garmin Descent Mk3i — the best Garmin dive computer with air integration option
- Garmin Descent G2 — mid-range dive computer with AMOLED screen
- Shearwater Teric — Shearwater top wrist-based dive computer
- Shearwater Peregrine TX Dive Computer — large display with air integration
Learn More — Guides & Articles
- Best Dive Computer Guide for 2025 — Our top picks for the best dive computers for 2025.
- Garmin Fenix 8 vs Suunto Ocean— how these two tops dive computers compare
- Underwater Photography Guide — lighting & strobe technique fundamentals
- Best Regulator Guide 2024 — ensure you have the perfect regulator for underwater photography
Detailed Specifications
- Available Case Sizes: 47 mm × 47 mm × 13.8 mm (Pro AMOLED) · 51 mm × 51 mm × 14.7 mm (Pro AMOLED)
- Display: 1.4″ AMOLED, 454 × 454 pixels, color, optional always-on mode
- Lens: Scratch-resistant sapphire crystal (Pro models)
- Bezel: Titanium
- Case Material: Fiber-reinforced polymer with titanium rear cover
- Weight: 77 g (47 mm; case only 56 g) · 90 g (51 mm; case only 65 g)
- Water Rating: 10 ATM (100 m equivalent) · Dive-rated construction with leak-proof buttons
- Durability: MIL-STD-810 tested for thermal, shock, and water performance
- Battery — Smartwatch Mode: up to 15 days (47 mm) / up to 27 days (51 mm) · Always-on display: 8 days (47 mm) / 15 days (51 mm)
- Battery — GPS Only: up to 44 hrs (47 mm) / up to 78 hrs (51 mm) · Always-on display: 33 hrs (47 mm) / 56 hrs (51 mm)
- Memory / Storage: 32 GB
- Connectivity: NEW Built-in inReach® satellite messaging & SOS · NEW LTE voice/text calls & messaging · Bluetooth®, ANT+®, Wi-Fi®
- Navigation: Multi-band GNSS (GPS, Galileo, GLONASS) · Preloaded TopoActive maps (Sapphire), ski and golf course maps, dynamic round-trip routing
- Safety & Tracking: NEW Interactive SOS with Garmin Response (subscription required), LiveTrack™ over LTE, check-ins, weather via LTE, automatic incident detection
- Health Monitoring: Wrist-based heart rate, Pulse Ox, respiration, stress, body battery™, sleep tracking · NEW Morning & Evening report with smart wake alarm
- Training & Performance: VO₂ max, recovery time, training load & status · NEW Running economy*, running tolerance, step speed loss*, projected race time, Auto Lap® by timing gates (*requires HRM-600)
- Smart Features: NEW Calls with built-in mic & speaker, voice assistant support, Garmin Pay™, music storage & streaming support, smartphone notifications
- Other Hardware: NEW Integrated LED flashlight, leak-proof button design, speaker & microphone
Dive-Related (Recreational)
- Recreational dive features only (not a technical dive computer)
- Automatic surface entry/exit location logging
- 3-axis compass · tide info (where available)
- Vibration & visual dive alerts · configurable backlight
- Sync dive logs to Garmin Dive™ mobile app
What's in the Box
- Fēnix 8 Pro smartwatch (47 mm or 51 mm, Sapphire lens)
- Charging/Data Cable
- Documentation
Why Buy from Bluewater
1. Proof of Expertise
- Authorized Garmin dealer — full manufacturer warranty.
- Founded and staffed by active divers, underwater photographers, and explorers.
- Decades of combined hands-on experience with the gear we sell.
- We test and use most of the equipment ourselves before recommending it.
2. Risk-Free Purchase (See Terms Of Service)
- 30-day, hassle-free returns (unused condition).
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- All products shipped in factory-sealed boxes (unless stated).
- Transparent policies — no hidden fees or fine-print surprises.
3. Fast & Reliable Delivery
- Free U.S. shipping over $200 for Photo Gear & $50 for Dive Gear.
- Same-day dispatch on in-stock orders placed before 12pm.
- Worldwide shipping options with reliable carriers.
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4. Extra Value at No Extra Cost
- Lifetime product support by email, phone, or in-store.
- Setup help & usage tips tailored to your needs.
- Exclusive buyer’s guides, tutorials, and dive trip invitations.
- Early access to special promotions & new releases.
5. Social Proof & Community
- Thousands of satisfied divers & underwater photographers worldwide.
- 5-star average product & service ratings.
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6. Personal Connection
- Direct line to our in-house experts — no outsourced call centers.
- Friendly, passionate staff who speak “diver” fluently.
- We care about your whole adventure, not just the sale.
We offer lifetime support with all purchases.
Please call or email us with any questions; our knowledgeable staff would love to assist you.