DeFi & NFT
By Sakamoto Nashi
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TAG Heuer Connected Calibre E4 NFT Edition
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Quick Facts
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How the NFT Display Works
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Design & Build
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The Limits of a Smartwatch in This Category
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Pros & Cons
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Who Should Consider the Calibre E4
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🎯 The Currency Analytics Verdict
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Editorial review by The Currency Analytics
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The TAG Heuer Connected Calibre E4 was the first smartwatch from a major Swiss watchmaker to natively support NFT artwork display.
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1. Connect wallet — Owner opens the TAG Heuer companion app and links a MetaMask or Ledger Live wallet via WalletConnect.
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2. Verify ownership — The app reads the wallet's NFT holdings on Ethereum and Polygon and displays them as available watch faces.
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3. Set as watch face — Selected NFTs are rendered as watch faces with time-and-date overlay. The owner can rotate through multiple NFTs throughout the day.
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4. Periodic re-verification — The watch re-checks ownership periodically. If the NFT is sold or transferred, the corresponding face is automatically removed.
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This is the key feature that distinguishes the Calibre E4 from a generic smartwatch loaded with image files: ownership is cryptographically verifiable.
The Currency Analytics
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