Apple Watch SE 3 vs. Series 12 Buyer's Guide: Which Should You Buy?

Sep 30, 2026 · 4:05 PM UTC ·5 min read · 0 reactions · 0 comments · 1 view

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Series 12 Buyer's Guide: Which Should You Buy?Wednesday September 30, 2026 9:05 AM PDT by Hartley CharltonThe Apple Watch SE 3 starts at $249, while the Apple Watch Series 12 starts at $399. The $150 difference buys a more advanced health sensing system, a larger display, longer battery life, and more options for tracking training and recovery. The two watches still share many features, including an always-on display, wrist temperature sensing, sleep apnea notifications, retrospective ovulation estimates, 5G connectivity on cellular models, media playback, and 64GB of storage.

Key facts

▪Series 12 Buyer's Guide: Which Should You Buy?Wednesday September 30, 2026 9:05 AM PDT by Hartley CharltonThe Apple Watch SE 3 starts at $249, while the Apple Watch Series 12 starts at $399.
▪The $150 difference buys a more advanced health sensing system, a larger display, longer battery life, and more options for tracking training and recovery.
▪The two watches still share many features, including an always-on display, wrist temperature sensing, sleep apnea notifications, retrospective ovulation estimates, 5G connectivity on cellular models, media playback, and 64GB of storage.

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Canonical URL	https://www.macrumors.com/guide/apple-watch-se-3-vs-series-12/
Publication time	Wed, 30 Sep 2026 16:05:19 +0000
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Apple Watch SE 3 vs. Series 12 Buyer's Guide: Which Should You Buy?Wednesday September 30, 2026 9:05 AM PDT by Hartley CharltonThe Apple Watch SE 3 starts at $249, while the Apple Watch Series 12 starts at $399. The $150 difference buys a more advanced health sensing system, a larger display, longer battery life, and more options for tracking training and recovery. The two watches still share many features, including an always-on display, wrist temperature sensing, sleep apnea notifications, retrospective ovulation estimates, 5G connectivity on cellular models, media playback, and 64GB of storage. Our guide helps to answer the question of how to decide which of these two Apple Watch models is best for you.

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