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The Understanding the complex world of chronometers Diaries

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The automatic COSC-Licensed PF441 chronometer motion that this Parmigiani classic runs on offers a 55-hour electricity reserve, owing to its oscillating mass, which is in delicately engraved gold, and may be admired in the sapphire crystal caseback. And admire it you may, because it shows some of the very best https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/

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