Discovery Vitality Rewards program does not function outside working hours

Went to Istore Saturday morning to get Apple watch on Discovery Vitality rewards program. Unable to receive confirmation code from Vitality dept According to Discovery call centre , the Vitality Rewards call centre only functions during normal working hours After two hours I gave up to get Apple Watch through Discovery Rewards program Received confirmation code at 15H00, thus 5 hours after trying to purchase watch