Seiko 145th Anniversary Astron GPS Solar Chronograph Limited Edition. Extending the legacy of the Seiko Astron, the world’s first commercially available quartz watch, today’s Astron is designed for a new generation of leaders to break through to a new future with excellence in both innovation and style. Combining solid tailoring with the highest degree of accuracy possible in a wristwatch, this exceptional Limited Edition commemorates the 145th anniversary of Seiko’s founding in 1881, with a distinctive black and golden color motif evoking the mystical phenomenon of a solar eclipse, with light shining from the edges of the darkness. The black dial has a highly textured pattern, inspired by the moon, and is framed by a UTC dial ring with 1,4, and 5 in gold, and a titanium bezel with a subtle gold-tone sapphire insert, a nod to the145th anniversary. Available only in a controlled production run of 1,450, with the serial number engraved on each caseback, the timepiece is equipped with Seiko’s 5X83 caliber, offering both high-speed GPS dual time and time zone adjustment to 39 time zones and a chronograph function that measures elapsed time in 1/20th second increments. The precision watch also features an AM/PM indicator, daylight saving time function, power save function, perpetual day/date calendar correct to the year 2100, and a time transfer function that allows the user to switch the main time and dual time indications with the push of a button, all powered by light energy with no battery change required. In addition to the four subdials, laid out vertically for a sporty look, the dial displays a date calendar and LumiBrite hands and markers for enhanced visibility in low-light conditions. Crafted of light and durable titanium with black super-hard coating and gold accents, this superb timepiece includes a secure screwdown caseback and tri-fold push button release clasp with Smart Adjuster function. 10 bar, 100M Water Resistant