Seiko Prospex SPB381 Sea MM200 Automatic GMT Green ball watch Watch body functions • Bluetooth-equipped

Seiko Prospex SPB381 Sea MM200 Automatic GMT Green ball watch Watch body functions • Bluetooth equipped Watch body functions • Bluetooth equipped GPS radio solar • Dual dial world time that can display the time in 2 cities simultaneously (39 cities + UTC 39 time zones) • Magnetic resistant watch (JIS 1 type) • Smart access • Highly smooth surface with "Zaratsu polishing" finishing Double curved sapphire glass with anti reflection coating on both sides boasting 99% transparency One push tri fold clasp clasp smartphone link function with slide adjustment mechanism that allows band adjustment without the use of tools Automatic time correction four times a day • One push time adjustment • World time setting (approximately 300 cities) • Automatic reflection of the latest time zone and daylight saving time information *Radio wave reception may not be possible depending on conditions such as season In similar homage to tradition