AppleWatch Series 3. Apple is onto the series 5 now, but the smallest option for the 5 is actually a slightly larger case size, although it is also slightly thinner, which is nice.. The improvements between series 3, 4, and 5 are meaningful but incremental. The most notable are a larger display, more computing power, and the same battery life but CasetifyGenuine Leather Band. $62 at Casetify. Pros. High quality pebbled leather. Compatible with the Ultra 2 as well as standard Apple Watches. Side stitching adds a bit of sophistication. Cons TheApple Watch is essentially a small touchscreen attached to a strap. It comes in two sizes (38 mm or 42 mm wide) and three different trims: a base version, a sporty model geared towards Thereare Apple Watch bands for women and Apple Watch bands for men — anyone can find the right Apple Watch band for them, We wish it also came in a option for the 40/41mm Apple Watch size Tosave you the time, we’ve demystified how Apple Watch strap sizing works below. The Apple Watch debuted in 2015 and, at the time of writing, there are now seven series. For series 0–3, each model was available in two different case sizes: 38mm and 42mm. All Apple Watch straps were designed to complement one of the two case sizes. Threebands designed for Apple Watch Ultra 2. Uniquely tailored for the demanding needs for all workout types, outdoor adventures, and ocean sports. New Indigo Alpine Loop. $99.00 New Indigo Alpine Loop. $99.00 New Indigo Compatibility 38mm, 40mm, 41mm, 42mm, 44mm, 45mm Apple Watches. Sizing, 40 and 41mm: Fits wrists sized 135mm to 195mm. Sizing, 44 and 45mm: Fits wrists sized 150mm to 200mm. AppleFitness+ requires iPhone 8 or later with iOS 16.1 or later or Apple Watch Series 3 or later with watchOS 7.2 or later paired with iPhone 6s or later with iOS 14.3 or later. Fitness app on Apple TV requires tvOS 14.3 or later. Fitness Thesecan come in handy when measuring your wrist circumference in order to calculate your Apple Watch band size. Apple Watch Sizes: Apple Watch sizesrefer to the length from the top of the device to the bottom, not from one side to the other. 38 mm is 1.49 inches; 40 mm is 1.57 inches; 41 mm is1.61 inches; 42 mm is 1.65 inches; 44 mm is 42mmwould be a good size for guys. Although I wish Apple offered an even larger size such as 46mm. I know a few guys who have the Apple Watch 42mm and wished it came in a larger size. 1. Candinas • 6 yr. ago. X5SwrDd.