The Rolex Service Center website and address is listed below; I think I'd trust them:
https://www.rolex.com/rolex-dealers/...lexdealers.com
ROLEX VIETNAM COMPANY LIMITED
602-604 Me Linh Point Tower
2 Ngo Duc Ke Street, Ben Nghe Ward
District 1
Ho Chi Minh City
Vietnam
Tel: +848 3520 3030
Mon-Fri: 9:00am - 6:00pm