Seiko Presage SPB171 Arita Porcelain Dial dial Only Seiko's advanced energy-efficiency technology

Only Seiko's advanced energy-efficiency technology could invent the miniature GPS receiver that requires so little energy to receive GPS signals from four or more satellites

Earth-friendly bio based resins are used in the bezel and band

Case: Bronze

Silvery-finished dial

Turquoise second hand

Seiko Presage SPB171 Arita Porcelain Dial dial Only Seiko's advanced energy-efficiency technologyLIMITED TO 2,000 PIECES Caliber Number 6R27 Movement Type Automatic with manual winding capacity Accuracy +25 to 15 seconds per day Duration Approx. 45 hours Case Material Stainless steel Crystal Dual curved sapphire Crystal Coating Anti reflective coating on inner surface Band Material Crocodile leather Clasp Three fold clasp with push button release Water Resistance 10 bar Case Size Thickness: 14. 1 Diameter: 40. 6 Length: 48. 8 Other Specifications