Watch Water Resistance: Read the Rating Before You Swim
How to interpret a water-resistance label and ask for evidence that applies to the actual watch.
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THE READING ROOM
Watch Guides, Reviews & Comparisons
Understand watch functions, read practical ownership guides and explore licensed photo comparisons from the PureTime archive. Each research guide links to its technical references.
Mechanical Watch Accuracy: A Simple Seven-Day Log
Measure daily gain or loss consistently, and distinguish a laboratory rating from your wearing results.
Read articleGMT Watches: Reading the 24-Hour Hand and a Second Time Zone
Understand a GMT display with a worked example, then check how the actual movement adjusts.
Read articleChronograph Basics: Start, Stop and Read the Registers
Learn what stopwatch hands measure and what to check before operating an unfamiliar chronograph.
Read articleAutomatic Watches: Power Reserve and Restarting After Storage
Understand the difference between stored running time and timekeeping accuracy before comparing movements.
Read articleMaster Chronometer: What the Certification Actually Covers
Separate documented certification from dial wording and understand what the METAS programme tests.
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Cartier Santos Skeleton RICH vs GEN
A photo-led comparison of Cartier Santos Skeleton RICH vs GEN. Explore the original PureTime image series and observations.
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The Ultimate "Who Has the Best Hulk" Review / Guide
PureTime’s original reading-list post, linking to the external Hulk review and guide. The complete review is hosted by the linked authors.
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JF 15400 V5 Bracelet Upgrade Comparison
A photo-led comparison of JF 15400 V5 Bracelet Upgrade Comparison. Explore the original PureTime image series and observations.
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Rolex - ARF Daytona 116520 Black V2 vs GEN
Daytona 116520 ARF 1:1 Best Edition 904L SS Case and Bracelet Black Dial A4130 Super Clone V2
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Rolex - ARF 904L Explorer I 214270 Rep Dial vs Gen Dial
Left (ARF) Right (Gen) The dial color and paint are good, lume color is same as genuine one. 'E XPLORER' is same as genuine. EXPLORER I 214270 39mm ARF 1:1 Best Edition 904L SS…
Read articleResearch guides are original editorial summaries with linked references. PureTime archive articles and images are reproduced with permission and retain their original dates. Historical specifications and prices describe the source article at publication.
