Seiko Presage Style 60's Watch (Seiko Presage Style 60's - SRPG03J1). • Movement Type: Automatic (Seiko Caliber 4R35) with manual winding capability. • Power Reserve: Approximately 41 hours. • Case Size: Diameter 40.8 mm, Thickness 12 mm. • Material: Stainless Steel case and bracelet. • Crystal: Domed, scratch-resistant Hardlex crystal. • Features: Date display window at 3 o'clock, water-resistant up to 50 meters.