Found it. Looks like they're selling a FAKE onyx too. For the sake of google...
https://www.chrono24.com/rolex/rolex...id15769794.htm
Cali Jewelers
238 1/2 South Beverly Drive
Beverly Hills, CA 90212
United States of America
Tel.: [+1] 310-275-2254
Mobile: [+1] 310-460-8112