written by
Ed Hahn
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The Seiko Spring Drive: Innovation and Refinement
by Ed Hahn
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Mini Review: 1960's GP Gyromatic
by Ed Hahn
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Yet Another Omega Seamaster GMT Review
by Ed Hahn
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Review: Omega Co-Axial DeVille
by Ed Hahn
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Oris Modern Classic, Review by a Newbie
by Ed Hahn
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A Stroll Through the "Dark Ages"
by Ed Hahn
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Coefficients of Friction for Various Horological Materials
by Ed Hahn
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Musings on Watch Faces - JLC Reverso Duo
by Ed Hahn
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Review: Bell & Ross Space 2
by Ed Hahn
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Review: Chronoswiss Orea
by Ed Hahn
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Making the (Railroad) Grade: The 19 Jewel Elgin "B.W. Raymond", ca. 1920 - Part 1
by Ed Hahn
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Making the (Railroad) Grade: The 19 Jewel Elgin "B.W. Raymond", ca. 1920 - Part 2
by Ed Hahn
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Splitting Seconds: Delving into a Rattrapante Pocket Timer - Part 1
by Ed Hahn
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Splitting Seconds: Delving into a Rattrapante Pocket Timer - Part 2
by Ed Hahn
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Splitting Seconds: Delving into a Rattrapante Pocket Timer - Part 3
by Ed Hahn
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The 70's Watch: The Enicar Sherpa Super Dive and the Chronoswiss Regulateur - Part 1
by Ed Hahn
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The 70's Watch: The Enicar Sherpa Super Dive and the Chronoswiss Regulateur - Part 2
by Ed Hahn
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The 70's Watch: The Enicar Sherpa Super Dive and the Chronoswiss Regulateur - Part 3
by Ed Hahn
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On The Units of Time, Part I: From Seconds To Days
by Ed Hahn
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On the Units of Time, Part II: The Months and Weeks
by Ed Hahn
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On the Units of Time, Part III: The Year
by Ed Hahn
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The Tutima Classic Flieger GMT
by Ed Hahn
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