APEX vs
Garmin Instinct 3 Solar: It Navigates Anywhere. It Can’t Answer A Text.

1The Screen Is The Whole Argument

The Instinct 3 Solar's display is 0.9 inches and it isn't colour. It's a memory-in-pixel panel — MIP — and that single choice is why the solar charging works at all. MIP draws almost nothing, and unlike an AMOLED it gets more readable in bright sun rather than less. That's genuinely clever engineering for the job Garmin built it for.

The APEX runs a 2.13-inch colour AMOLED. Garmin spent the screen budget on battery and navigation; Njord spent it on a display you can read a text on at arm's length with safety glasses fogging up. Neither is wrong. They're answers to different questions, and the question this page cares about is the second one.

2Garmin Publishes "MIL-STD-810." It Doesn't Say Which One.

MIL-STD-810 is a book of test methods written by the US military. It is not a certification, nobody issues approvals against it, and the manufacturer picks which methods to run. What tells you how seriously a brand took it is how specifically they cite it.

Garmin names thermal and shock resistance under "MIL-STD-810" — but publishes no revision letter. The APEX publishes MIL-STD-810H. That's a documentation gap, not evidence the Instinct is fragile, and it's worth being precise about the difference: Garmin naming the specific methods it ran is still more disciplined than the vague "military grade" language further down this category.

On water Garmin is ahead and it isn't close: 10 ATM, 100 metres (328 ft), against the APEX's 2ATM, about 20 metres (65 ft). Garmin publishes no IP rating at all, though, so there's no stated dust or high-pressure-jet figure to compare against the APEX's IP69K. Different kinds of water, measured by different tests — depth on one side, pressure on the other.

3Where Garmin Wins: Navigation, And It Isn't Close

This is the honest one, and it's a big one. The APEX has no GPS chip at all — it borrows your phone's. The Instinct 3 Solar has multi-band GPS with SatIQ, a 3-axis compass and a barometric altimeter, and it routes you back. That is not a feature gap, it's a category gap.

Then there's solar. Under Garmin's stated conditions, smartwatch-mode battery can be effectively unlimited — up to 28 days even without sun. The APEX's 16 to 18 days is excellent for a watch in its class and still loses this comparison outright.

If you hunt, hike, work in the backcountry, or go anywhere that being lost has real consequences — buy the Garmin. That's the right call and this page won't pretend otherwise.

On The Job

The Indestructible Smartwatch APEX — $139.99

Rated to MIL-STD-810H. IP69K. 16–18 day battery. Replies to texts on iPhone and Android. Check APEX Availability

4A $499 Watch That Can't Answer A Text

Here's the one that catches people out. The Instinct 3 Solar can reply to a message — but only using pre-set quick replies, and only when it's paired with a compatible Android phone.

Read that twice, because there are two separate limits stacked in one sentence. On an iPhone there is no reply function at all — messages arrive, you read them, and you take the phone out. On Android you can reply, but only by picking from canned responses somebody else wrote. Not dictation, not a keyboard. A list.

For a navigation instrument that's a reasonable trade; you're not buying it to talk to people. For a watch you wear through a shift, when both hands are dirty and somebody needs an answer now, it's the difference between the watch being useful and the watch being jewellery. The APEX replies properly, on either platform.

5The Money

Instinct 3 Solar, 45 mm: $499. The APEX is $139.99 — roughly three and a half times less. The argument here is not that Garmin is overpriced, because it isn't. That premium buys real engineering: the solar lens, the multi-band GNSS stack, the 10 ATM rating. Every one of those is a genuine thing you are paying for and genuinely receiving.

The question is whether a worker needs what it's built for. Most trade work is a truck, an address, a customer, and a phone in your pocket. Multi-band satellite navigation is excellent, and it is capability a lot of tradespeople will not touch during a shift — while the screen they read messages on, and whether they can answer without downing tools, comes up every single day.