Seiko Astron gps Solar Diametre: 42.8mm Seiko Astron GPS Solar – Caliber 5X53 (Ref. 5X53-0BB0) This is a premium Seiko Astron model equipped with the advanced 5X53 GPS Solar movement, offering world-class accuracy and full global time adjustment. The watch automatically connects to GPS satellites to set the exact time and time zone anywhere in the world. It is fully solar-powered and does not require battery changes. Key Features: GPS Solar – automatic time adjustment via GPS signals Dual Time (GMT) with AM/PM indicator Perpetual Calendar (correct until February 2100) High-speed time zone adjustment Power reserve indicator Sapphire crystal with anti-reflective coating Hard-coated case and bracelet for improved scratch resistance Made in Japan Movement: Seiko Caliber 5X53 – GPS Solar Accuracy without GPS: approx. ±15 sec/month Power reserve: up to 6 months (normal use), up to 2 years in power-save mode Overall Condition: The watch is in very good condition (as shown in photos). All functions working perfectly. No issues with GPS sync, solar charging, or hands alignment. What you get: The watch itself (Ref. 5X53-0BB0) Fully functional GPS Solar system Clean and elegant black-gold design A great choice if you want: A high-end Seiko with advanced technology No battery changes (solar powered) Automatic global time correction A reliable everyday watch with premium features The watchis in a good condition to very good, small traces of wear without impacts on the case , without a box and without a card. The watch is checked and authenticated by specialists in the field of watches. The transport is done by DHL within 3 days of payment is in a good condition to very good, small traces of wear without impacts on the case,