Bonetto Cinturini 306 NBR Rubber Watch Strap

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Price
$38
Color:Black
Size:20mm

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Originating from Vicenza, Italy, Bonetto Cinturini creates OEM rubber dive straps for multiple renowned watch brands. This family-owned company has been in business for more than forty years. Bonetto Cinturini straps are made of high-quality vulcanized nitrile (NBR) rubber, providing waterproof, non-toxic, and non-allergenic properties. They do not collect lint and dust like silicone rubber and are resistant to salt and UVA rays. In addition, they have a subtle, pleasant vanilla scent.

Featuring a streamlined profile with a smooth finish and beveled edges, Model 306 in Nero/Black is a versatile choice that complements a wide range of watches.

Material:

  • Premium vulcanized NBR rubber (not silicone)
  • Vulcanization is a curing process using heat and sulfur that promotes strength, suppleness and protection from abrasion
  • Polished stainless steel buckle

Sizing:

  • Available in 20mm
  • Strap/buckle taper: 20mm/18mm
  • Piece length 125mm / 75mm excluding buckle
  • Total length 8" (200mm) excluding buckle
  • 4.75mm thick at lug ends, tapering to 3.5mm at opposite ends

Includes:

  • One free pair of strong, seamless double-flange stainless steel spring bars (Model 306 accommodates a maximum bar thickness of 1.5mm)
Help with sizing
  • Inspect the underside of your current watch strap for width indicators.
  • Measure the space between your watch lugs (in millimeters) using a metric ruler.
  • Research the specifications of your watch model on the manufacturer's website.

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Customer Reviews

Based on 32 reviews
84%
(27)
13%
(4)
3%
(1)
0%
(0)
0%
(0)
G
G.P.
Almost perfect

This is smooth, nicely finished quality rubber. Tasteful lines, the style and the grey color look great with the Hamilton Khaki Field Mechanical. One minor thing: the strap would be more flexible/comfortable if it did not get thicker towards the lugs, hence the 4 star rating.

As always, fantastic service from Holben's. They are my go to for straps, I don't even bother looking elsewhere.

K
K.Y.
Bonetto rubber

Great rubber strap for any watch. Nice quality smelling like vanilla. Highly recommend these straps.

E
E.B.
All day, every day!

Awesome strap, I wear it every day with my Seiko SPB143. Had a hard time putting the fat seiko spring bars in. Really like the scent of the strap.

L
L.1.
BEST rubber straps on the market!!

The straps are really well made for its pricepoint, very supple and comfortable on the wrist. The vanilla scent smell is strong but pleasing.

I highly recommend these for anyone looking to spice up their watches.

J
Jeff Trujillo
Very soft and great smell

For a 4.75mm strap it is VERY soft, pretty much all other rubber or silicone leave me with a red mark on my skin but this one does not. It’s very comfortable, I hope the smell doesn’t wear off soon, and I’m definitely going to order a black one.

D
Donald Rosario
Fantastic Strap

Bonetto Cinturini always makes high quality straps - I'm super happy the strap and aesthetic with my watch.

G
Gary Giffin
Looks Great On Sinn U50

Bonetto makes a great strap and it smells like a vanilla Isofrane too! Didn't want a quick release strap that has a chance to fail. This strap fit well on my Sinn U50 and I know its secure with replaceable spring bars. Great service too!

A
Andrew Coronato
Quality rubber, great finishing!

Picked this strap up for my Nodus. The rich blue of the strap really makes my white dial and steel bezel pop. I think the strap is perfect in terms of quality and finish. The sloped design / lines on this strap model give it a great little extra flair.

J
Jason Ko
Robust Rubber

If you're looking for a heavy duty rubber strap this one may be for you. The quality and robustness is apparent right away. It is quite thick so IMO it pairs best with a diver but to each their own. I'm docking it one star because it isn't the most breathable strap. The underside is completely flat and has no grooves or channels so I find myself loosening the buckle to the next hole when my wrist gets too sweaty. All in all a great strap but something to be aware of if you're going to be out in the sun and doing anything active.

J
Joshua Freier
Really nice strap, but thick

I actually got this one in two colors because I had heard great things about the brand, originally because I wanted a red strap (and thought having a black one would come in handy). They smell really nice and are smooth and soft rubber, on par with the nicest OEM’s I have and leagues above something like stock seiko silicone. My only qualm is that they are simply too fat to fit the watch I was going to put them on comfortably (smiths everest), but this seems more like the lug spacing is small than the strap being unusually large. For now im going to keep them in my strap drawer because they are genuinely quite nice and impressive for the price, and I know the standard 20mm will be versatile and come in handy