Seiko Astron SSH151 Sport Design Dual Time Chronograph Blue GPS Solar Laco Classic Watches WITTENBURG Automatic Old world inspiration meets new

Old world inspiration meets new world technology in this retrograde perpetual calendar with alarm unlike any other

Functions: Battery level indicator

These features give the watch toughness that the user can depend on in various challenging situations

Case Back: Screwed case back

Bracelet: matching titanium with hard black coating

Seiko Astron SSH151 Sport Design Dual Time Chronograph Blue GPS Solar Laco Classic Watches WITTENBURG Automatic Old world inspiration meets newCaliber Number: 5X83 Movement Type: GPS Solar Precision: 15 seconds per month (1 second per day) Power Reserve: Operating for approx. 6 months (when fully charged), power save approx. 2 years Jewels: 14 Case Material: Titanium with ceramic titanium bezel Case Thickness: 13. 4mm Case Diameter: 43. 3mm Lug to Lug: 49. 5mm Crystal: Dual curved sapphire crystal Crystal Coating: Super clear coating LumiBrite: Lumibrite on hands and index(es) Clasp: Three