How To Set Time On Omega Speedmaster Automatic Chronograph

by Barbara Wilson

The Omega Speedmaster Automatic Chronograph is a renowned timepiece with a legacy of precision and excellence. Properly setting the time on this watch is essential for its accuracy and performance. This guide provides a comprehensive, step-by-step process to set the time on your Omega Speedmaster Automatic Chronograph.


Introduction to Omega Speedmaster Automatic Chronograph

The Omega Speedmaster Automatic Chronograph is a part of Omega’s prestigious Speedmaster line, which is known for its association with space exploration and motorsports. This model features an automatic movement, a chronograph function, and a classic design. Setting the time correctly ensures that the watch maintains its accuracy and functionality.


Components of the Omega Speedmaster Automatic Chronograph

Before diving into the time-setting process, it’s essential to familiarize yourself with the components of your Omega Speedmaster Automatic Chronograph:


Crown: The main control for setting the time and winding the watch.


Pushers: Buttons on the side of the watch used for controlling the chronograph functions.

Sub-dials: Smaller dials on the main watch face that display chronograph timing and other functions.

Date Window: Displays the current date, if applicable.

Preparation Before Setting the Time

Ensure the Watch is Wound: Before setting the time, make sure your watch is fully wound. This can be done by turning the crown clockwise while the watch is in the neutral position.

Check the Power Reserve: Make sure your watch has enough power reserve. The Omega Speedmaster Automatic Chronograph usually has a power reserve of approximately 48 hours.

Set the Chronograph Hands to Zero: If your chronograph hands are not in the zero position, reset them before setting the time. This ensures accurate timekeeping.

Step-by-Step Guide to Setting the Time

1. Pull Out the Crown

Position 1: The crown is pushed in, which is the normal running position.

Position 2: Pull the crown out to the first position to set the date.

Position 3: Pull the crown out to the second position to set the time.

2. Set the Time

Pull the Crown to Position 3: This is the furthest out position and allows you to set the time.

Turn the Crown: Rotate the crown clockwise or counterclockwise to set the hour and minute hands to the desired time.

Hour Hand: Ensure the hour hand is set accurately. If the watch has a 24-hour format, be sure to adjust accordingly.

Minute Hand: Align the minute hand precisely with the minute markers.

Avoid Setting the Time Between 8 PM and 4 AM: This period is when the watch’s date change mechanism is active. Setting the time during this time frame can damage the movement or affect the date function.

3. Adjust the Chronograph Hands (if necessary)

Reset the Chronograph Hands: If they are not aligned to zero, use the pushers to reset them.

Top Pusher: Typically used for starting and stopping the chronograph.

Bottom Pusher: Typically used for resetting the chronograph hands.

Press the Bottom Pusher: To reset the chronograph hands to zero, press and hold the bottom pusher until the hands align to their zero positions.

4. Push the Crown Back In

Return to Position 1: Push the crown back into the original position.

Ensure the Crown is Secure: Make sure the crown is screwed back in or pushed in properly to maintain water resistance and avoid dust entry.

See Also: How To Use Omega Speedmaster Chronograph

Troubleshooting Common Issues

Crown Not Moving Smoothly: If the crown does not turn smoothly, it may be due to debris or resistance. Avoid forcing it and consult a professional watchmaker if necessary.

Chronograph Hands Misaligned: If the chronograph hands do not align properly, they may need recalibration. Use the pushers to align them, or seek assistance from an authorized Omega service center.

Date Not Changing Correctly: If the date does not change correctly, ensure that you are not setting the time during the date change period (8 PM to 4 AM).

Maintenance and Care

Regular Winding: Ensure that you wind your watch regularly to keep it running smoothly.

Servicing: Have your Omega Speedmaster Automatic Chronograph serviced by an authorized Omega service center every 3-5 years to maintain its accuracy and performance.

Avoid Water Exposure: Although the Speedmaster is water-resistant, avoid exposing it to water unless necessary. Ensure that the crown is fully screwed in when exposed to water.


Setting the time on your Omega Speedmaster Automatic Chronograph is a straightforward process when you follow the proper steps. By understanding the components of the watch and following the detailed steps provided, you can ensure that your timepiece remains accurate and performs optimally. Regular maintenance and careful handling will also contribute to the longevity and reliability of your watch.


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