Home Apple Phones Apple Watch Series 1 (38mm) Updated: Jan 17, 2023, 6:42 AM Apple Watch Series 1 (38mm) Specs Released April 2015 Display 1.5-inch 340 x 272 px Battery 205 mAh Storage 8GB Hardware Apple S1P 0.5GB RAM OS watchOS 6.x Description The Apple Watch Series 1 (38mm) comes with 1.5-inch OLED display and aluminum frame. It includes heart rate sensor and Wi-Fi connectivity. I want it 0 users I have it 0 users I had it 0 users Popular Comparisons The Apple Watch Series 1 (38mm) is most commonly compared with these phones: Apple Watch Series 1 (38mm) vs Apple Watch Series 10 (46mm) Apple Watch Series 1 (38mm) vs Apple Watch Series 7 (45mm) Specs Compare Display Size: 1.5-inch Resolution: 340 x 272 px, 290 PPI Technology: OLED Screen-to-body: 55.12 % Peak brightness: 450 cd/m2 (nit) Features: Pressure-sensitive, Ambient light sensor Hardware System chip: Apple S1P (28 nm) Processor: Dual-core, 520 MHz, Cortex-A7 GPU: PowerVR G6200 RAM: 0.5GB Internal storage: 8GB, not expandable OS: watchOS (6.x, 5.1, 5, 4.x, 3.x) Device type: Smartwatch Battery Capacity: 205 mAh Type: Not user replaceable Charging: Magnetic charging Design Size comparison Dimensions: 1.52 x 1.31 x 0.41 inches (38.6 x 33.3 x 10.5 mm) Weight: 0.88 oz (25.0 g) Materials: Back: PlasticFrame: Aluminum Resistance: Yes; IPX7 Colors: Silver, Gold, Rose Gold, Gray Multimedia Speakers: Loudspeaker Connectivity & Features Bluetooth: 4.0 Wi-Fi: 802.11 b, g, n Sensors: Accelerometer, Gyroscope, Heart rate Other: NFC Despite our efforts to provide full and correct Apple Watch Series 1 (38mm) specifications, there is always a possibility of admitting a mistake. If you see any wrong or incomplete data, please LET US KNOW. If you are interested in using our specs commercially, check out our Phone specs database licensing page. Latest News Instagram tests new feature to resurface missed Story highlights from friends Former Metro DM gives us the 411 about port number fraud committed by the T-Mobile unit CWA says AT&T is poised to repeat the bad behavior it showed during Trump's first term (UPDATE: AT&T responds) Nothing's upcoming budget phones might have Snapdragon chip, telephoto cameras, and eSim support Apple's high-end M5 chip variants might not use an SoC design Google TV adds more than a dozen free channels, including Christmas-themed programs Popular stories Samsung employees make major blunder and get fired after leaking image of upcoming phone Dropping to a record low price, the Galaxy Watch Ultra just became everyone's favorite smartwatch No Motorola phones in the US: way worse than no TikTok in the US? Leaked Galaxy S25 Plus photos surface, proving what we’ve all been thinking T-Mobile and Starlink's satellite-powered messaging is only for select smartphones Message service predominantly used by Pixel users intercepted by authorities