Seiko 5 Sports SRPD93 Automatic Watches By Brand the first man to conquer

the first man to conquer the highest mountains on five continents

Precision: +15 to -10 seconds per day

The case back bears a horseshoe-shaped design similar to the original model and displays the individual watch's serial number

only a handful of companies received permission to build these pilot watches according to the detailed requirements of the Reichsluftfahrtministerium (RLM) (former German ministry for aviation)

Based on a thin solar model

Seiko 5 Sports SRPD93 Automatic Watches By Brand the first man to conquerCaliber Number 4R36 Movement Type Automatic with manual winding capacity Accuracy +45 to 35 seconds per day Duration Approx. 41 hours Exterior Case Material Stainless steel Crystal Hardlex LumiBrite Lumibrite on hands and indexs Band Material Silicone Other Details Water Resistance 10 bar Case Size Thickness: 13. 4 Diameter: 42. 5 Length: 46 Other Specifications Screw case back See through case back Unidirectional rotating bezel Other Features 24