Sigma 666
+ Lenses from £12.00
+ FREE Second Pair
92%
of customers love this product
90%
of customers suggest fit is
Product Description
The Sigma 666 is a men’s semi-rimless prescription frame featuring a rectangular shape made of metal. Adjustable nose-pads ensure a secure and comfortable fit, while straight temples offer stability for daily wear. This frame presents a precise balance of lightness and durability. Available in Gun, Black, Gold, and Silver.
Product Details
Product
Sigma 666
Brand
Sigma
SKU
63.09
GTIN
630901
Review Rating
4.59/5 (73 reviews)
Suitable for
Men
Style
Rectangle
Frame Material
Metal
Warranty
12 Months
Includes
Case or Microbag & Cleaning Cloth
- Plus Spherical powers and Minus Cylinder powers: SPH +6.00 CYL -2.00
- Plus Spherical powers and Plus Cylinder powers: SPH +4.00 CYL +2.00
- Minus Spherical powers and Minus Cylinder powers: SPH -4.00 CYL -2.00
- Minus Spherical powers and Plus Cylinder powers: SPH -6.00 CYL +2.00
Please note that during the glazing process, the original manufacturer lenses are removed from the frame and replaced with our lenses made to your prescription requirements. Branded prescription lenses are not included.
2 for 1 Offer
Some of our products are available as a 2 for 1 offer, this will be marked on the product as a 'FREE Second Pair'. Our 2 for 1 offer includes our FREE Single Vision Basic lenses - thinner lenses, multifocals and tints are available for an additional cost. Please do note that the FREE Second Pair is not automatically added to you order, the FREE Second Pair should be added to your basket for the offer to apply.
Minimum Order Value
A minimum order value of £12.00 excluding delivery is applicable for our £6.00 glasses and some lower value sunglasses. Please note that this minimum order value does not apply to accessories or contact lenses.
» View our Lens Price List
Colour:
In Stock
Gun - Gun
Single Vision glasses completed in approximately 1-2 weeks. Allow longer for multifocals, tints & non-stocked frames - Details
Essilor, Hoya & Pentax Premium Lenses Available
FREE UK & Worldwide Delivery on orders over £49.00
Dispatched from Westgate on Sea, UK
+ FREE Second Pair
FREE Returns & Exchanges
Shop with Confidence - UK based family-run opticians for over 20 years
Product Description
The Sigma 666 is a men’s semi-rimless prescription frame featuring a rectangular shape made of metal. Adjustable nose-pads ensure a secure and comfortable fit, while straight temples offer stability for daily wear. This frame presents a precise balance of lightness and durability. Available in Gun, Black, Gold, and Silver.
Product Details
Frame Measurements
Available Lenses
Help, Guides & Useful Information
Reviews (73)
FAQ & Delivery
Frame Measurements
Available Sizes
Arm Length
135mm
Lens Width
52mm
Lens Height
29mm
Bridge Width
18mm
**Please note that this is a calculated frame width based on the measurements we have available and it's possible the actual frame width may vary by up to 5mm.
The measured frame weight includes the manufacturers plastic lenses. The final weight of your glasses will differ depending on your prescription and the selected lens option.
Available Lenses
Help, Guides & Useful Information
Help & Information
Quickly find useful information and FAQs to help you with your buying journey.Buying Guides & Advice
Discover more information about our products and find guides to help you with your purchasing decisions.Eye Health
If you're looking for information on eye health related conditions, see our comprehensive eye health guide here.Customer Reviews & Photo's
92%
of customers love this product
90%
of customers suggest fit is
Customers say...
Designer Sigma’s item 666 receives strong praise for its impressive value, lightweight comfort, and solid lens clarity. Many users highlight its stylish yet practical design and the surprisingly good build quality for the low price. While most buyers are satisfied with fit and durability, a few note that the frames can feel small or flimsy. Overall, the product stands out as an affordable, well-made pair of glasses ideal for everyday use.
AI-generated summary of customer reviews.- Value
- Lightweight
- Comfortable
- Stylish
- Durable
- Clear
- Small
- Basic
- Flimsy
- Faulty
Great quality at a reasonable price
Fit: As Expected
I'd recommend this product
They were alright yeah
Fit: As Expected
I'd recommend this product
Really small glasses but fit ok
Fit: As Expected
I'd recommend this product
could be greener
Fit: As Expected
I'd recommend this product
Just what i wanted
Fit: As Expected
I'd recommend this product
good value
Fit: As Expected
I'd recommend this product
new glasses
SelectSpecs says...
Hi, our products are covered under 12 months warranty. If a product breaks due to a fault we're happy to replace. Please contact our customer services team via our website regarding this. Thank you.Fit: As Expected
I'd recommend this product
Superb for price
Fit: As Expected
I'd recommend this product
Excellent
Fit: As Expected
I'd recommend this product
Great Value
Fit: Moderately Small
I'd recommend this product
SelectSpecs says...
Hi, our products are covered under 12 months warranty. If a product breaks due to a fault we're happy to replace. Please contact our customer services team via our website regarding this. Thank you.