Chunky solid heavy 48.5 grams of Sterling Silver!!! Has a tad over 1 1/4" opening & 5" measurement on the inside fits around a 6 to 6 1/2" wrist give or take a little. REALLY nice quality. Picture does not show it as nice as it is. No hallmark. One time slightly adjustable with care.
I also have a 29.7 gram one that is priced at $76.00.
I also have a petite on that is 8.2 gram. Fits same size wrist slightly adjustable also. It is $29.00.