The heart and soul of any timepiece lie within its movement, and when it comes to exceptional performance and reliability, the Seiko NH35A movement reigns supreme. The movement is a robust automatic movement known for its exceptional durability and accuracy. Designed and manufactured by Seiko in Japan, a renowned name in the watch industry, this movement powers many of the finest timepieces, including Rotate North tool watches. Its reliable and self-winding mechanism eliminates the need for battery replacements, making it an ideal choice for those who appreciate convenience and longevity in their timepieces.

The Perfect Companion for Tool Watches

Rotate North watches, being tool watches at their core, demand movements that can withstand rugged conditions while delivering precise timekeeping. The Seiko NH35A movement excels in this aspect, offering exceptional shock resistance and reliability. With its hacking feature (which holds the second hand still during adjustment), wearers can synchronise their watches accurately. The movement's high-torque mainspring ensures optimal power reserve, making it a dependable companion for tool watch enthusiasts seeking unrivalled performance and endurance.

Impressive Accuracy Rating

One of the noteworthy features of the Seiko NH35A movement is its accuracy rating of -20 to +40 seconds per day. While luxury watches often strive for chronometer-level precision, tool watches prioritise durability and reliability, allowing for a wider accuracy range. The NH35A movement's accuracy rating is well within acceptable limits for everyday wear, ensuring that wearers can rely on their Rotate North tool watches to keep time with commendable precision, even in challenging environments.

We chose the Seiko NH35A movement for its exceptional durability, reliability, and impressive accuracy rating. With its robust construction and self-winding mechanism, this movement guarantees accurate timekeeping and endurance for both adventure and everyday wear. Embrace the precision and reliability of the Seiko NH35A movement and embark on your adventures with the utmost confidence in your Rotate North tool watch.

All of our automatic watches use the Seiko NH35A movement. One of our most popular examples is the automatic Tempest.

June 17, 2023 — Cameron Shaw