Pebble smartwatches had been expected to make a comeback with the previously announced PebbleOS. Now, the PebbleOS has unveiled two new smartwatch with their iconic e-paper displays, which are dubbed the Core 2 Duo and Core Time 2. So let’s check them out.
Core 2 Duo
The founder of Pebble smartwatch, Eric Migicovsky, just unveiled these smartwatches from the Core lineup. The first of these is the Core 2 Duo, which retains the original Pebble design and uses the open source PebbleOS. It sports a 1.26-inch black and white e-paper display and features over 10,000 Pebble apps and various watch faces as well. It has a polycarbonate build quality that also offers IPX8 water resistance.
The Core 2 Duo model houses a microphone and can even track your steps and sleep cycle. One of the highlighting aspects of Pebble’s e-paper smartwatches were its long endurance, and the Core 2 Duo improves upon this with an impressive 30 day battery life. This is up from the Pebble 2’s 7 day battery life. It runs on the Nordic nRF52840 BLE chipset and features more reliable buttons as well. Core 2 Duo even packs a speaker along with a barometer and compass.

Core Time 2
The Core Time 2 appears to be the more fancy offering between the newly announced duo. Eric went as far as to call it his “dream watch”. It sports a taller 1.5-inch e-paper display with 46-bit colors, a higher 200×228 resolution, and touchscreen support. This model also supports numerous watch faces and over 10,000 Pebble apps. For a more premium build, the smartwatch uses a metallic frame and buttons along with an IPX8 rating for water resistance.
The Core Time 2 arrives in two color options, namely black and white. Apart from the super long 30 day battery life, this model is even offering heart rate, step, and sleep tracking. There is also a microphone, a speaker, and a linear resonance actuator. The device has a standard 22mm strap. Both models run on the PebbleOS platform, so you get basic fitness tracking,
Pricing and Availability
Both smartwatches are currently available for pre-orders on store.rePebble.com. However, it has a limited display inventory, so production is limited as well. Migicovsky suggested buyers go for pre-orders since the sign ups have already exceeded the number of units in inventory. Pre-orders are also fully refundable until shipping. The Core 2 Duo has a 149 US Dollar price tag, which is set to ship in July 2025. Meanwhile, the Core Time 2 ships in December 2025 for 225 US Dollars.
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