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Garmin Tactix 8 - AMOLED 51mm Mens Watch
Ref. 010-03406-01
Sits in Garmin’s upper tier here — more premium than three quarters of the Garmin watches we list, which start at £130.
Price range £130 to £1,499 across 71 Garmin watches in stock.The tactix 8 is Garmin's tactical layer built over the Fenix 8 platform — same hardware foundation, but loaded with features drawn from military and field use: jumpmaster mode, stealth mode, a kill switch, night-vision-goggle compatibility, and the Applied Ballistics Ultralight solver for long-range shooting solutions. The built-in flashlight runs green or white, and in NVG mode the white channel drops out and the green becomes dimmable — a small detail that signals who this watch is actually designed for. At 51mm and 14.7mm thick it is a large watch that makes no apology for it, but titanium keeps the weight at 92 grams total, which is reasonable for what it carries. The AMOLED display earns its keep in low light, where it reads clearly without any of the squinting that solar-only panels can require. Battery life reaches 29 days in smartwatch mode — for anyone coming from a daily-charge device, the adjustment is significant, and the week-long GPS tracking modes extend that further for sustained field use.
- Reference
- 010-03406-01
- Brand
- Garmin
- Collection
- Tactix
- Case size
- 51mm
- Case thickness
- 14.7mm
- Case material
- Titanium
- Case shape
- Round
- Dial
- Black
- Functions
- Bluetooth, GPS, Compass, Altimeter
- Water resistance
- 100m
- Bracelet / strap
- Silicone strap
- Strap colour
- Black
- Retailer
- Mappin & Webb
Additional specifications
- Weight
- 92g
Learn more about Garmin
Gary Burrell and Min Kao founded Garmin in 1989 — the name is a contraction of their first names — to build GPS receivers for aviation and marine use. Consumer navigation came later, and wearables later still.
Unlike most names in this directory that arrived from outside watchmaking, Garmin is not a licence. It designs and builds its own devices, writes its own software and runs its own satellite-positioning stack, which is why its watches do things Swiss houses do not attempt.
The fenix line established the template in 2012: a rugged multi-sport GPS watch with mapping, altimeter and week-long battery life. Forerunner covers running, Instinct the hard-wearing end, Venu the smartwatch end, and the MARQ line puts the same electronics in titanium and sapphire at Swiss prices.
Battery life is the differentiator. Where most smartwatches are measured in days, Garmin measures in weeks, and in solar-charging models sometimes in months.
These are instruments rather than heirlooms, and they date the way electronics date — but for anyone who actually trains, they are among the few watches on the market that earn their place.
- 1989
- Founded by Gary Burrell and Min Kao.
- 2003
- The Forerunner brings GPS to running watches.
- 2012
- The fenix line defines the multi-sport GPS watch.
- 2019
- MARQ places the electronics in titanium and sapphire.
- 2020
- Solar charging extends battery life to months.
Also in 5 collections
This watch appears in the Garmin Tactix range (7), Automatic Watches (1,417), Watches 44mm and Over (810), All Black Watches (292) and Titanium Watches (135).
Temporarily out of stock
Mappin & Webb is not currently taking orders for this reference. Last listed as available on 26 September 2026. Stock is checked nightly and this page updates when it returns.
What the specifications mean
A mechanical watch for everyday wear.
Strengths
- 100m water resistance covers swimming and watersports
- Sapphire crystal, which resists scratching
- One of Garmin's more premium watches
Worth knowing
- 51mm is a large watch with real presence
- 14.7mm thick, so it will not disappear under a cuff
Garmin Tactix 8 - AMOLED alternatives
Watches from other brands at a similar price, style and size, so you can see what else your budget can buy.
| Specification | 010-03406-01 | H24635330 | MTG-B3000D-1AER |
|---|---|---|---|
| Price | £1,219 | £1,560 | £919 |
| Case size | 51mm | 51mm | 51.9mm |
| Water resistance | 100m | 50m | 200m |
| Movement | Automatic | Automatic | Automatic |
| Strap | Silicone strap | Rubber strap | Stainless steel bracelet |
| Power reserve | — | 80 hours | — |
| This watch |
|
|
Your new watch
Frequently asked questions, and things you should know about this watch
Can I swim with it?
Yes. At 100m it is rated for swimming and snorkelling, though not for diving.
Water resistance explainedWill the glass scratch?
Unlikely. Sapphire is second only to diamond in hardness and shrugs off everyday marking.
Sapphire, mineral and acrylic comparedDoes it need a battery?
No. It is automatic — the motion of your wrist winds it, and there is no cell to replace.
Quartz, automatic and solar comparedIs it a men's or women's watch?
Listed as men's.
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