Seac Sub Extreme Full Prescription Dive Mask
Code: 0
£ 199.95
Full Prescription Dive Mask, Single Vision or Bifocal. FREE DELIVERY.
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How to measure your pupil distance.
Add Anti Fog Spray for £3.95 - Usually £4.95 (£3.95)
Add SeacSub Fast-Tech Snorkel for £15 - Usually £19.95 (£15.00)
The Extreme by Seac Sub is a premium quality mask by the well known Italian dive company.
This mask is available to your exact prescription, both single vision and bifocal.

Suitable for adults.

Sport Suitability
Suitable for a snorkelling and diving.
Prescription Suitability
Suitable for a wide range of prescriptions up to +6.00/-10.00 with an opposite cyl to 4.00 (if your total combined prescription exceeds this range we will contact you for further assistance).

These dive masks are available with single vision lenses (long or short sighted) - pictured below

or with a bifocal lens with a reading segment (with a height of 24mm from bottom rim - unless otherwise stated) and a long sighted segment - pictured below

How to measure your Pupil Distance (PD)
Understanding your prescription

Don’t require prescription lenses? Please click here
Colour Options
The frame is available in 2 colours
Blue with Clear Silicone skirt or Yellow with Clear Silicone skirt.
Optional Extras
All frames are supplied with clear toughened glass lenses as standard, the following upgrades are available
  • Anti-Fog Spray – eliminates your lenses from fogging up – recommended
  • Seac Sub Fast-Tech Snorkel - the ideal accompaniment to your Seac Sub mask
  • Seac Sub Strap Cover - for extra comfort

Frame Material
Frame: Polycarbonate 
Skirt: hypoallergenic liquid silicone 
Strap: Silicone
Lenses: tempered glass 

What’s included
You will receive the following
Mask, fitted toughened glass lenses to your prescription, and rigid transparent case.
Delivery Information
We aim to despatch your order within 15 working days. These frames are sent 1st Class Recorded Delivery so please ensure someone can sign for your delivery or leave alternative delivery instructions in the box provided when completing your order.
Further Information
If you would like any further information on this or any other product please feel free to contact us on 01494 778200, Mon-Fri, 8.30 to 5pm or email us on
Although Seac Sub sports eyewear is designed to offer the best possible protection during certain sporting activities, there is always the possibility that the wearer may sustain an eye, face, or other injury due to impact or because of the nature of the athletic activity. If the frame incurs a severe impact it must be replaced. If the frame is neglected or misused, or is worn improperly, the degree of eye protection provided may be reduced and may result in permanent eye, face, head, or other injuries.
Neither the designer, manufacturer, nor Seac Sub claims their sports eyewear is unbreakable or eliminates the possibility of injury.
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