DOXA SUB 300T - 42.5mm

Paying tribute to the DOXA SUB 300T Conquistador, the first general public diver's watch equipped ...

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Product Information

Full details

This guide is for owners of the DOXA SUB 300T 42.5mm dive watch, providing essential information for effective use. The watch offers exceptional water resistance and clear readability, making it ideal for professional divers and enthusiasts. However, its specialized features may require familiarization for new users.

All features

SeriesSUB 300T
Model Part Number840.10.101.10
BrandDOXA

Extended Product Information

FAQs

How do I wind the watch?

Unscrew the crown and gently rotate it clockwise.

How often should the watch be serviced?

Every 3-5 years, or as needed, by a qualified watchmaker.

How do I set the time?

Pull the crown out to the second position and rotate it to the desired time.

Is the watch suitable for recreational diving?

Yes, the watch is suitable for recreational diving, providing the diver adheres to all safe diving practices.

What kind of crystal does the watch have?

The watch has a scratch-resistant sapphire crystal with an anti-reflective coating.

What is the water resistance of the watch?

The watch is water-resistant to 120 bar, or 1,200 meters.

What type of bracelet does it come with?

It comes with a stainless steel 'Beads of Rice' style bracelet with a folding clasp and ratcheting dive suit extension.

Troubleshooting

Watch is not keeping accurate time.

Have the watch serviced by a qualified watchmaker. It may require regulation or repair.

Water is inside the watch.

Immediately take the watch to a qualified watchmaker to prevent further damage.

Bezel is difficult to rotate.

Rinse the bezel with fresh water to remove any debris. If the problem persists, have the watch inspected by a watchmaker.

Pros and Cons

Pros

  • Exceptional water resistance suitable for professional diving.
  • Highly legible dial with Super-LumiNova® for enhanced visibility.
  • Durable construction using high-grade stainless steel.
  • Unidirectional bezel aids in safe dive time tracking.
  • Iconic design with a nod to the original SUB 300T Conquistador.

Cons

  • Specialized features may require learning for new users.
  • The watch's robust design may feel bulky to some wearers.

Setup, Compatibility & Care

Setting Up

  1. Winding: To wind the watch, unscrew the crown and gently rotate it clockwise.
  2. Setting the Time: Pull the crown out to the second position to set the time.
  3. Setting the Date: Some models may have a date function that can be adjusted using the crown. Consult the user manual for specifics.

Compatibility

The watch is designed for use in aquatic environments and is compatible with standard dive gear. The bracelet is designed to fit a variety of wrist sizes.

Care Instructions

  • Cleaning: Rinse the watch with fresh water after exposure to saltwater or chlorine. Use a soft cloth to dry.
  • Servicing: Have the watch serviced by a qualified watchmaker every 3-5 years to maintain water resistance and accuracy.