Seiko Worldtime GMT ref. 6117-6400 Rare Vintage Watch
Seiko Worldtime GMT ref. 6117-6400 Rare Vintage Watch
Mint Condition
Dial: Seiko’s original silver dial with bar indices, paired with a world time inner bezel featuring a GMT scale and Arabic numerals
Movement: Mechanical Automatic (cal.6117B) 17 jewels
Manufacture Date: 1975
Crystal: Original Acrylic
Case metarial: Stainless steel
Case Diameter: 41mm (excludes crown)
Crown: Push-down crown
Strap: Vintage Olive-green leather
The Seiko 6117-6400
vintage Seiko World Time watches, produced in the late 1960s and early 1970sThese models feature a unique world time function, allowing users to track time in multiple time zones simultaneously. The watches have a rotating inner bezel with city markings, a fixed 24-hour hand, and a distinctive red "dog-leg" hand for reading the local time in different zones.
Setting the Time and World Time Function:
Setting the Time: The crown is used to set the time and date.
Setting the Date: Pull out the crown to the first position and rotate the crown anticlockwise to change the date.
Setting the World Time: The rotating bezel is used to set the second time zone.
Adjusting the GMT hand: The GMT hand is set by pulling out the crown to the first position and rotating it clockwise.
FULL FACTORY-CONDITION RESTORATION – $1,500 invested
• Complete disassembly & factory-spec restoration (inside and out)
• 100 % genuine factory parts only – zero aftermarket
• New genuine seals installed and pressure-tested to original factory specification
• Newly restored and regulated to original chronometer-grade precision
• 1-year comprehensive warranty (most sellers offer none)
• 14-day 100 % money-back guarantee — no questions, no restocking fee
This watch is not merely “serviced.”
It is indistinguishable from one that left the factory the day it was born.
Look at eBay. Look across Chrono24.
If you find another example restored to this standard… buy it.
You won’t.






















