Brand : Seiko
Series : Astron
Model number : SBXB137 / SSE137
Release Date : September 22, 2017
Driving System : GPS Solar
Caliber No. : 8X42
Case : Titanium case Bezel: ceramics Case back: titanium
Case Coating : Dia shield
Glass Material : Sapphire crystal
Glass Coating : Super-clear coating
Drive duration : Operating for approx. 6 months (when fully charged), power save: approx. 2 years
Accuracy : Accuracy: Except automatic time reception ±15 seconds per month (average)
Water resistance : 10 bar water resistance
Magnetic reluctance : Magnetic resistance
Size : H55mm x W44.8mm x D13mm
The perimeter of bracelet : 190mm
Weight : 113g

Product Features

Screw case back
Against allergy to metal
Overcharge prevention function
Power save
Perpetual calendar
Dual-time
Power reserve
Time zone adjustment by receiving gps signals from gps satellites, automatic time adjustment function
Satellite acquisition status display function
Reception result display function
Function to prevent the gps signal reception function from working (in-flight mode)
Automatic hand position alignment function