HomeGents Seiko Astron GPS Limited Edition Novak Djokovic Watch. 523rd Made out of 5000 pieces. Limited Edition Seiko Astron GPS WatchSKU: SSE143J1£1,995.00PriceQuantityAdd to CartAboutGents Seiko Astron GPS Limited Edition Novak Djokovic Watch. 523rd Made out of 5000. Product Details Manufacturer Seiko Model Astron GPS Limited Edition Model Reference SSE143J1 Water Resistance 10 bar (100 metres) Watch Specifications Material Stainless Steel Black PVD Case size 45.5mm Movement Solar with Perpetual Calendar Dial Style Black Strap Rubber Buckle Deployment Clasp Glass Sapphire Crystal