𝗔𝗹𝘁𝗶𝗺𝗲𝘁𝗲𝗿, 𝗕𝗮𝗿𝗼𝗺𝗲𝘁𝗲𝗿, 𝗖𝗼𝗺𝗽𝗮𝘀𝘀: live elevation, a pressure trend that shows up before the clouds do, and a bearing that works with your phone off. The three readings, Altimeter, Barometer, Compass, that matter when you're a day's walk from a road — and none of them need a tower, a phone, or an app.
𝗧𝘄𝗼 𝗪𝗲𝗲𝗸𝘀 𝗕𝗲𝘁𝘄𝗲𝗲𝗻 𝗖𝗵𝗮𝗿𝗴𝗲𝘀: the 520mAh cell runs about 14 days on typical use, 9–10 if you lean on it hard, 5–6 with the always-on display, and up to 70 days on standby. Roughly 2~3 hours to refill on the magnetic dock — plug it in Friday, forget it until the next trip.
𝗕𝘂𝗶𝗹𝘁-𝗶𝗻 𝗚𝗣𝗦: locks on with 6 satellite systems and logs route, pace and distance for up to 24 hours straight. First fix takes about 2 minutes under open sky, so get it before you head into cover.
𝗠𝗜𝗟-𝗦𝗧𝗗-𝟴𝟭𝟬𝗛 𝗧𝗲𝘀𝘁𝗲𝗱: zinc alloy body, hardened glass, stainless steel back plate, sealed to 5ATM (164 ft). Pool, ocean, heavy rain — just rinse with fresh water after salt or chlorine.
𝗧𝗵𝗿𝗲𝗲 𝗕𝗮𝗻𝗱𝘀 𝗶𝗻 𝘁𝗵𝗲 𝗕𝗼𝘅: a metal tactical band on the watch plus two 22mm quick-release silicone straps. Swap in seconds. 5.0 oz on steel, 2.7 oz on silicone, 50mm case. Most brands sell you the second band separately.
𝟭𝟳𝟴 𝗦𝗽𝗼𝗿𝘁 𝗠𝗼𝗱𝗲𝘀: 6 That Start Themselves: walking, running, outdoor cycling, elliptical and rowing begin on their own. Plus 24/7 heart rate with high and low alerts, SpO2 spot checks, stress and mood, and REM sleep stages.
𝟮-𝗬𝗲𝗮𝗿 𝗪𝗮𝗿𝗿𝗮𝗻𝘁𝘆, 𝟯𝟬-𝗗𝗮𝘆 𝗥𝗲𝘁𝘂𝗿𝗻𝘀, 𝗮𝗻𝗱 𝗙𝗿𝗲𝗲 𝗔𝗽𝗽: works with iPhone (iOS 9.0+) and Android (5.0+) through GloryFit Pro — no subscription, ever.