飛行機にWatchesを持ち込める？
可能 — Watchesは機内持ち込み手荷物として飛行機に持ち込めます。 Security: no limits.
- · Security: no limits
- · Smartwatch lithium battery: installed, fine in both bags
- · High-value collections: declare at customs if relevant, and insure them
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航空保安当局別の公式規定
Rules by security authority
United States — TSA
機内持込:
可能
Yes, watches — mechanical or smart — are allowed in carry-on with no limits. Keep them on through most checkpoints.
受託手荷物:
可能
Allowed, but checked bags are wrong for valuables: theft risk is high. Watches fly best on your wrist or in your carry-on.
Flying internationally? Security follows the country you depart from — the authority above applies at your departure airport. Customs at arrival is separate.
Watchesのパッキング注意点
機内持ち込み手荷物: Yes, watches — mechanical or smart — are allowed in carry-on with no limits. Keep them on through most checkpoints.
受託手荷物（預け荷物）: Allowed, but checked bags are wrong for valuables: theft risk is high. Watches fly best on your wrist or in your carry-on.
保安検査場での最終的な持ち込み可否判断は、現場の保安検査員に委ねられます。
よくある質問 (FAQ)
Frequently asked questions
Can you bring Watches in a carry-on?
Yes, watches — mechanical or smart — are allowed in carry-on with no limits. Keep them on through most checkpoints.
Can you pack Watches in checked luggage?
Allowed, but checked bags are wrong for valuables: theft risk is high. Watches fly best on your wrist or in your carry-on.
Can I carry watches in checked baggage on international flights?
Security allows it, but do not: checked baggage is the highest-theft link in the journey, and airline liability for valuables in checked bags is typically excluded. Watches belong in your cabin bag.
Last verified:
Verified against official sources. Rules change — for high-stakes items, confirm with your airline and the screening authority. Our verification method →