Swiss NAV-D Manual page 7

GENERAL OPERATIONS & MAINTENANCE
1. Clean watch often.
Clean regularly using rubbing alcohol, a toothbrush and a microfibre cloth.
2. Service regularly.
Regular servicing every six to eight years will help to keep your movement
running with Marathon-level precision. For servicing requests, contact our team
directly at customerservice@marathonwatch.com
3. Always set it forward.
During events such as daylight-savings, you might be inclined to wind your
watch back an hour, however this can put undue stress on the movement of your
watch. Always move the hands forward to reach your desired time setting.
4. Securing water and dust resistance.
To ensure water and dust resistance, gently push the crown of the watch back in
until it is fully seated against the case, ensuring a tight seal.