Seiko Presage SPB223 Limited Edition Sharp Edge GMT Wave of Seiko Blue Astron Model: Shell Star Automatic

Model: Shell Star Automatic

Strap reference H6057661021

developed entirely in-house and hand-assembled in its workshops

black sandblasted ceramic ring on the unidirectional turning bezel

Seiko Presage SPB223 Limited Edition Sharp Edge GMT Wave of Seiko Blue Astron Model: Shell Star AutomaticCaliber Number 6R64 Movement Type Automatic with manual winding Accuracy +25 to 15 seconds per day Duration Approx. 45 hours Exterior Case Material Stainless steel Crystal Sapphire crystal Crystal Coating Anti reflective coating on inner surface LumiBrite Lumibrite on hands and indexes Clasp Three fold clasp with push button release Other Details Water Resistance 10 bar Case Size Thickness: 13. 7 Diameter: 42. 2 Length: 49. 2 Weight 181. 0 g Other