Seiko Brand 100th Anniversary Speedtimer Limited Edition. Inspired by Seiko’s history of technical innovation over the last century, this exquisite timepiece is part of the first GPS Solar Chronograph Series in the Prospex collection. Available only in a controlled-production run of 1,000, with the serial number engraved on each caseback, this exceptional watch showcases Seiko’s legacy of precision sports timing with the highest degree of accuracy possible in a wristwatch. 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, it 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. The stealthy black dial displays four black subdials, a date calendar, LumiBrite hands and markers, and brilliant gold accents. Crafted of stainless steel with black super-hard coating, this superb Limited Edition also includes a sapphire crystal with super-clear coating, secure screwdown caseback and tri-fold push button release clasp with smart-adjust function. 10 bar, 100M Water Resistant