User's manual

Thank you very much for your purchase.

日本語 / ENGLISH

Table of Contents

1. Battery-powered (quartz) watch
2. Mechanical watch
3. Waterproof performance
4. Screw-lock crown
5. Gem stone crown
6. How to change the strap
7. Quick-release strap
8. Buckle fine adjustment
9. Rubber band adjustment
10. How to attach the D-buckle
11. Maintenance
12. Repair and replacement inquiries

Product Notes

This product has passed our quality tests. Please keep the warranty card and purchase receipt in a safe place.

• Extreme heat/cold may damage the watch.
• Keep away from strong magnetism (appliances, PCs, phones, etc.).
• Depending on your constitution, skin irritation may occur—discontinue use if abnormal.
• Remove during heavy lifting, sports, or sleeping.
• Do not wear in saunas or extreme cold.
• Keep small parts away from children under 3 years old.

1. Battery-powered watch

The monitor battery at purchase may be replaced with a new one before shipping. After adjusting time/date/day, push the crown back to its original position.

2. Mechanical watch

Automatic watches are affected by vibrations. Accuracy varies (adjusted to ±15 sec/day before shipping). Wind manually if necessary (10–20 turns daily, 40 turns if fully stopped). Power reserve about 38–40 hours when fully wound.

3. Waterproof performance

• 3ATM: daily use (sweat, rain)
• 5ATM: shower splash
• 10ATM: swimming
• 20ATM: diving

If exposed to seawater, rinse with fresh water to prevent rust or gasket deterioration.

4. Screw-lock crown

Push and twist clockwise to lock. Ensure fully screwed before wearing.

5. Gem stone crown

Prolonged exposure to high temperatures may weaken the adhesive and cause detachment.

6. How to change the strap

1) Insert tool into the gap between case and strap. 2) Push spring bar down to remove. 3) Attach spring bar to new strap, insert into lug hole. 4) Push other end down and fix into place.

 

7. Quick-release strap

Straps with a knob allow easy on/off without tools.

8. Buckle fine adjustment

Open buckle, insert tool in marked area, adjust position.

9. Rubber band adjustment

Insert tool between band and buckle, release spring bar carefully.

10. How to attach the D-buckle

1) Pinch buttons to open. 2) Insert pin into strap hole and fix. 3) Fold and push buckle until it clicks. 4) Pass strap through loops. Adjust strap hole for fit.

 

 

Maintenance

Watch body: Use dry cloth to wipe sweat/dirt. Leather bands: Avoid water, wipe lightly after use, wear loosely for ventilation. Metal/Rubber bands: Wash with mild soap, rinse, dry completely. Remove from case before cleaning. Rubber bands may transfer color.

Repair and replacement inquiries

We accept repair and part replacement for Renautus watches. Even after warranty expiration, repairs are available.

Repair Request Page