Online Store › Seiko GMT Green ‘Navigator’ Image 1 of 3 Image 2 of 3 Image 3 of 3 Seiko GMT Green ‘Navigator’ €520.00 Seiko GMT green / Black - Navigator SBSC019Automatic movement , 2 year warranty. Quantity: Purchase Added! Seiko GMT green / Black - Navigator SBSC019Automatic movement , 2 year warranty.