Seiko Prospex SLA041 Limited Edition Tuna Professional Diver Bulova The button shafts are equipped

The button shafts are equipped with gasket fittings to keep mud and dust out

Crystal Glass Material Sapphire Crystal

Brand: Parmigiani Fleurier

The six-hand chronograph movement features proprietary high-performance quartz technology

Crystal: Curved(inner) sapphire

Seiko Prospex SLA041 Limited Edition Tuna Professional Diver Bulova The button shafts are equippedCaliber Number 8L35 Movement Type Automatic with manual winding capacity Accuracy +15 to 10 seconds per day Duration Approx. 50 hours Exterior Case Material Titanium with Ever Brilliant Steel Crystal Sapphire LumiBrite Lumibrite on hands, indexs and bezel Band Material Silicone Other Details Water Resistance 1000m 3300ft for saturation diving Case Size Thickness: 17. 2 Diameter: 52. 4 Length: 53. 5 Other Specifications One piece structure Screw down