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.

Watch guides · October 17, 2026

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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Watch guides · October 17, 2026

Mechanical Watch Accuracy: A Simple Seven-Day Log

Measure daily gain or loss consistently, and distinguish a laboratory rating from your wearing results.

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Watch guides · October 17, 2026

GMT 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.

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Watch guides · October 17, 2026

Chronograph Basics: Start, Stop and Read the Registers

Learn what stopwatch hands measure and what to check before operating an unfamiliar chronograph.

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Watch guides · October 17, 2026

Automatic Watches: Power Reserve and Restarting After Storage

Understand the difference between stored running time and timekeeping accuracy before comparing movements.

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Watch guides · October 17, 2026

Master Chronometer: What the Certification Actually Covers

Separate documented certification from dial wording and understand what the METAS programme tests.

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Comparisons · January 7, 2026

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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Review links · December 15, 2020

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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Comparisons · February 25, 2019

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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Comparisons · August 25, 2018

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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Comparisons · August 20, 2018

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…

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Research 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.