Introduction
This manual provides essential instructions for the setup, operation, and maintenance of your Spinnaker Hull Diver Automatic Watch, model SP-5088. Please read this manual thoroughly to ensure proper use and longevity of your timepiece.

Image: Front view of the Spinnaker Hull Diver Automatic Watch SP-5088 in Deep Grey, showcasing the dial, bezel, and stainless steel bracelet.
Setup
1. Unboxing and Initial Inspection
Upon receiving your watch, carefully remove it from its packaging. Inspect the watch for any visible damage. Ensure all protective films are removed from the crystal, case back, and bracelet.

Image: The Spinnaker Hull Diver Automatic Watch presented in its blue box, held by hands.
2. Winding the Watch
Your Spinnaker Hull Diver is equipped with a Japanese TMI NH35 24 Jewels self-winding automatic movement. While it winds itself with wrist motion, it may require initial manual winding if it has stopped or has not been worn for an extended period.
- Unscrew the crown counter-clockwise to the first position (unlocked).
- Turn the crown clockwise approximately 20-30 times to manually wind the mainspring.
- The watch will begin to run.
3. Setting the Time and Date
- Unscrew the crown counter-clockwise to the first position (unlocked).
- Pull the crown out to the second position. Turn the crown clockwise or counter-clockwise to set the date. Avoid setting the date between 9 PM and 3 AM, as this can damage the movement.
- Pull the crown out to the third position. Turn the crown to set the hour and minute hands. Ensure the AM/PM is correctly set by observing if the date changes when passing midnight.
- Once the time and date are set, push the crown back into the first position and screw it clockwise firmly against the case to ensure water resistance.
4. Bracelet Adjustment
The solid stainless steel bracelet can be adjusted by adding or removing links. It is recommended to have this procedure performed by a qualified watchmaker or jeweler to prevent damage to the bracelet or watch.
Operating Your Watch
Automatic Movement
The watch is powered by an automatic movement, meaning it is wound by the motion of your wrist. When worn daily, it should maintain its power reserve. If the watch is not worn for approximately 40 hours, it will stop and require manual winding as described in the Setup section.
Water Resistance (30 ATM / 300m)
Your Spinnaker Hull Diver watch is designed for professional diving and is water-resistant up to 300 meters (30 ATM). Ensure the crown is always screwed down tightly before any contact with water to maintain its water resistance. Do not operate the crown or pushers (if applicable) while the watch is wet or submerged.
Unidirectional Rotating Bezel
The watch features a unidirectional rotating bezel, which is a critical tool for divers to measure elapsed time underwater. To use it:
- Rotate the bezel counter-clockwise until the zero marker aligns with the minute hand.
- The minute hand will then indicate the elapsed time on the bezel.
- The unidirectional design prevents accidental clockwise rotation, which could overestimate dive time.

Image: The Spinnaker Hull Diver Automatic Watch worn on a wrist, showing its presence and fit.
Video: A brief demonstration of the Spinnaker Hull Diver Watch, highlighting its design and features. This video provides a visual overview of the watch's aesthetics and how it appears on the wrist.
Maintenance
Cleaning
To clean your watch, use a soft, damp cloth. For the stainless steel bracelet, a soft brush with mild soap and water can be used, ensuring to rinse thoroughly and dry completely. Avoid using harsh chemicals or abrasive materials, as these can damage the watch's finish or seals.
Storage
When not wearing your watch, store it in a cool, dry place away from direct sunlight, extreme temperatures, and strong magnetic fields. The original watch box is ideal for storage.
Professional Servicing
For optimal performance and longevity, it is recommended to have your automatic watch serviced by an authorized service center every 3-5 years. This includes checking the movement, replacing seals, and ensuring water resistance.

Image: Close-up view of the Spinnaker Hull Diver Automatic Watch case back, showing engravings and details.
Troubleshooting
- Watch Not Running: If the watch has stopped, manually wind it using the crown (20-30 turns). If it still does not run, ensure it has sufficient power reserve by wearing it regularly or winding it.
- Date Not Changing Correctly: Ensure the time is set correctly, especially the AM/PM cycle. Avoid setting the date between 9 PM and 3 AM.
- Condensation Under Crystal: This indicates a potential breach in water resistance. Immediately take the watch to an authorized service center to prevent further damage to the movement.
- Inaccurate Timekeeping: Automatic watches can have slight variations in timekeeping. If the inaccuracy is significant (e.g., more than +/- 30 seconds per day), it may require regulation by a professional watchmaker.
Video: An overview of the Spinnaker SP-5088-11 watch, detailing its features and craftsmanship. This video provides a closer look at the watch's components and overall build quality.
Specifications
| Feature | Detail |
|---|---|
| Movement | Japanese TMI NH35 24 Jewels 3 hands date self-winding automatic |
| Case Diameter | 42mm |
| Case Material | Stainless Steel |
| Bracelet Material | Solid Stainless Steel |
| Lens | Anti-reflection coated Sapphire |
| Water Resistance | 30 ATM / 300m |
| Model Number | SP-5088-11 |
| Product Dimensions | 2.76 x 0.79 x 1.57 inches |
| Weight | 6.7 ounces |
Warranty
Your Spinnaker Hull Diver Automatic Watch comes with a 2-year International Warranty. This warranty covers manufacturing defects under normal use. Please refer to the warranty card included with your purchase for full terms and conditions.
Support
For any questions, service requests, or warranty claims, please contact Spinnaker customer support or an authorized service center. Contact information can typically be found on the manufacturer's official website or in the documentation provided with your watch.





