Oris Aquis Calibre 400 with the dark gray dial, a premium in‑house movement diver featuring a 5‑day power reserve, 10‑year service interval, and high anti‑magnetic resistance. This is the full kit in excellent condition, worn lightly and always stored carefully.

The Calibre 400 is Oris’s flagship movement and a major upgrade over the Sellita‑based Aquis models.

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✔️ Features & Specs

• Movement: Oris Calibre 400 (in‑house)
• Power reserve: 120 hours (5 days)
• Anti‑magnetic architecture
• Case size: 43.5 mm
• Lug‑to‑lug: ~49 mm
• Thickness: ~13 mm
• Dial: Dark gray
• Water resistance: 300m
• Crystal: Sapphire
• Bracelet: Stainless steel with diver’s clasp
• Quick‑release bracelet system
• Full kit included


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✔️ Condition

• Excellent overall condition
• Crystal flawless
• Case and bracelet show minimal signs of careful wear
• Runs accurately
• Smoke‑free home


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✔️ What’s Included

• Full kit (box, papers, warranty card dated June 2025)
• Stainless steel bracelet with all links
• Original packaging


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✔️ Shipping & Payment

• Ships UPS Priority Mail, insured
• Ships within 24 hours of payment

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✔️ Why I’m Selling

Consolidating the collection — fantastic watch, just not getting wrist time.