Very useful app
Helps me set my Seiko :-)
$2.99
About
This app simplifies setting GMT watches by guiding you through the precise placement of four hands and bezel clicks for multiple time zones. It offers step-by-step instructions tailored to your watch's specific mechanism, including true GMT, dive watches, and three-handers with 24-hour rings.
✓Set multiple time zones
✓Guided crown and bezel click counts
✓Visual dial diagram
✓Supports true GMT, dive, and 24-hour ring mechanisms
✓Spoken guidance
✓Interactive bezel simulation
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What's New in Fourth Hand
1.1
October 17, 2026
Analytics rehaul
User reviews
Developer apps
FAQ
How does Fourth Hand help me set my GMT watch?
Fourth Hand breaks down the complex process of setting a GMT watch into manageable steps. It calculates the exact crown and bezel clicks needed for your chosen time zones and guides you through each adjustment using a visual representation of your watch dial.
What types of watch mechanisms does Fourth Hand support?
Fourth Hand supports three primary mechanisms: a true GMT with a 24-hour hand and bezel, a dive watch using the bezel for a second time zone, and a three-hander with a 24-hour ring where the bezel clicks represent half-hour increments.
Can Fourth Hand help with watches that don't have a quickset date?
Yes, the app provides the necessary crown clicks to advance the date on movements that lack a quickset function, ensuring a complete and accurate watch setup.
Does Fourth Hand require an internet connection or an account?
No, Fourth Hand operates entirely offline and does not require an account. The app collects no user data, ensuring your privacy.
What is the price of Fourth Hand?
Fourth Hand is a paid application, available for $2.99. This one-time purchase grants you access to all its features for setting your GMT watch.
Does Fourth Hand have ads?
No, Fourth Hand is completely ad-free. You can use the app to set your watch without any interruptions from advertisements.
What devices is Fourth Hand compatible with?
Currently, Fourth Hand is supported on iPhones. The app was last updated on October 17, 2026, with version 1.1.
What is the age rating for Fourth Hand?
Fourth Hand has an age rating of 4+. This indicates it is suitable for users of all ages, with no mature content.