Seiko Astron HAB003J1

Movement

• Caliber Number: 5X63
• Movement Type: GPS solar
• Precision: ±15 seconds per month (without receiving a GPS signal and at temperatures between 5°C and 35°C )
• Power reserve: Operating for approx. 6 months (when fully charged), power save: approx. 2 years
• Jewels: 14
• Functions: Overcharge prevention function, Power save function, Chronograph up to 24 hours in 1/20 second increments, Perpetual calendar to the february 28, 2100, World time function (38 cities), Dual-time function, Day display, Power reserve indicator, Time transfer function (Switching between the main-dial and sub-dial), GPS signal reception function (Time zone adjustment, automatic time adjustment, manual time adjustment), Satellite acquisition status display function, Reception result display function, DST (Daylight Saving Time), Function to prevent the GPS signal reception (in-flight mode), Automatic hand position alignment function

Case/Band

• Case Material: Titanium (super-hard coating)
• Case Size: Thickness:12.4mm, Diameter:43.4mm, Lug-to-lug:50.0mm
• Crystal: Sapphire crystal
• Crystal Coating: Super-clear coating
• LumiBrite: LumiBrite on hands and index(es)
• Band Material: Silicone
• Clasp: Easy-adjust three-fold clasp with push button release
• Distance between lugs: 14

Other Details

• Water Resistance: 10 bar
• Magnetic Resistance: 4,800 A/m
• Features: Quick-change system, Screw case back