D3 o’ring size?

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griffon

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Location
Scotts Valley, California, United States
# of dives
100 - 199
I was changing the battery on my ancient Suunto D3 backup computer, and the o’ring broke. Dose anyone have a link or details on a good match? I can find the right size at ace hardware but it’s way to thick.
I’m not will to pay 9 bucks plus 14 for shipping for 20c o’ring and that seems to be what the kits are going for (crazy).
Thanks!
 
It is a 20x1.3 metric ring, according to a SB post somewhere. Same as the Mosquito.
Really hard to find. eBay has lots of kits, cheaper than what you quote.
 
https://www.shearwater.com/products/peregrine/

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