This anniversary edition Astron watch combines advanced GPS solar technology with a striking violet gradient dial accented by gold-colored details and glossy black ceramic bezel elements.

Powered by the 5X83 caliber, the timepiece automatically adjusts time, time zone, and daylight saving settings via GPS signal reception.

Crafted with a hard-coated titanium case and bracelet featuring ceramic inserts, it includes a 12-hour chronograph with 1/20-second precision, dual-time display, and 10 bar water resistance.

Key Features

Caliber	5X83
Movement	GPS Solar
Power Reserve	6 months
Precision	± 15 seconds per month
Water Resistance	10 bar
Functions	Time and time zone adjustment via GPS, Signal reception indicator, Continuously adjusted calendar until February 2100, Stopwatch 1/20, Dual time zone, Split time measurement
Case Material	Titanium, hard coating
Case Size	43.3 mm
Thickness	13.4 mm
Lug Width	14 mm
Bezel Material	Ceramic
Glass Material	Sapphire
Glass Specification	Inner and outer curved, Patented "Super clear" coating
Dial Color	Blue
Luminescence	LumiBrite on hands and indexes
Strap Material	Titanium, ceramic insert
Strap Color	Black, Silver
Clasp Type	Deployant clasp with micro-adjustment
Original Strap Length	20 cm

Highlights

Powered by GPS Solar Caliber 5X83 with automatic time and time zone adjustment
12-hour chronograph with 1/20-second measurement increments and dual-time display
Hard-coated titanium case and bracelet with gloss black ceramic elements
Curved sapphire crystal with patented Super Clear coating
10 bar water resistance with LumiBrite hands and indexes

Frequently asked questions

What movement powers this watch?

It is powered by the Seiko GPS Solar caliber 5X83 movement.

How does the watch adjust the time?

It automatically adjusts the time, time zone, and daylight saving settings via GPS signal reception at the touch of a button.

What are the case and bracelet materials?

The case and bracelet are crafted from hard-coated titanium with ceramic inserts and a ceramic bezel.

What is the water resistance rating?

The watch features a water resistance rating of 10 bar.

What type of crystal is used on the dial?

It features an inner and outer curved sapphire crystal with Seiko's patented Super Clear coating.

What functions does the chronograph provide?

The chronograph can measure elapsed time up to twelve hours in 1/20-second increments and includes split time measurement.

Seiko Astron Purple Dial 145th Solar Men' Watch