Offers and Promotions Watsons Singapore 11.11 Super Sale: Up to 84% Off, Buy 1 Get 1 Free and $11 Deals, Until 11 Nov 2026 Watsons Singapore's online 11.11 Super Sale lists up to 84% off, Buy 1 Get 1 Free, $11 deals and brand vouchers. The page gives no dates, so we assume it ends on 11 November. Confirm at checkout. Nov 6, 2026
