Choose "I'll handle it myself" on the shipping page so that GST is not charged up front. In this case GST won't apply at the border as the price is below AU$1000.
Some video here (not in English but plenty of footage of the watch)
https://www.youtube.com/watch?v=BeKvzy1-Odg
MODEL 2827-STC-00659
Swiss Made
Automatic Raymond Weil Calibre RW 4200 (Sellita base I think)
POWER RESERVE 38 hours
CASE SIZE 40 mm
CASE THICKNESS 11 mm
CASE MATERIAL Stainless Steel
BAND WIDTH 20 mm
CRYSTAL Sapphire
HANDS Blue
CROWN Pull / Push
WATER RESISTANCE 50 meters / 165 feet
WARRANTY 2 Year Jomashop Warranty
That's another brand like Longines and Tag that costs way more than they should. Not a bad discount, just have to factor in taxes and delivery.