Seiko Navigator Timer 6117-6410 (1971)

Model History

 

The Seiko Navigator Timer belongs to the brand’s early generation of automatic travel watches. Developed for pilots, mariners and international travellers, it was designed to display local time together with a second time zone using a central 24-hour hand and a rotating inner 24-hour scale.

 

Reference 6117-6410 is one of the most recognisable Navigator Timer variants. Its black dial is surrounded by a vivid blue-and-red inner scale, with blue representing the night-time hours and red the daytime hours. The scale can be rotated using the crown, allowing the red arrow-tipped 24-hour hand to indicate another time zone.

 

This example was manufactured in December 1971 and is powered by the 17-jewel Seiko calibre 6117B. The movement runs at 21,600 vibrations per hour and features automatic winding, a quickset date and hacking seconds. It does not support manual winding.

 

Specifications

 

Brand: Seiko

Model: Navigator Timer

Reference number: 6117-6410

Serial number: 1D0837

Production date: December 1971

Movement: Seiko calibre 6117B automatic

Winding: Automatic only

Jewels: 17

Frequency: 21,600 vibrations per hour

Functions: Hours, minutes, central seconds, date and second-time-zone indication

Additional features: Hacking seconds, quickset date, central 24-hour hand and crown-operated rotating inner 24-hour scale

Case material: Stainless steel

Case diameter: Approx. 41 mm

Lug-to-lug: Approx. 45 mm

Dial: Black with blue and red details

Crystal: Polished

Bracelet: Original Seiko stainless-steel bracelet with signed clasp; suitable for wrists up to approximately 18 cm (including the watch)

Box and papers: Not included

Service: Movement fully serviced in September 2026; all functions operate correctly

Guarantee: 6-month functionality guarantee from the date of purchase

 

Condition

 

The watch is presented in attractive vintage condition. Its black dial remains well preserved, with clear printing and a strong contrast between the applied Seiko emblem, luminous hour markers and red arrow-tipped 24-hour hand. The blue-and-red rotating 24-hour scale retains vivid colours and remains one of the most distinctive features of this model. Minor age-related marks are visible under close inspection.

 

The luminous material on the hands and hour markers has developed an uneven vintage patina. The hands also display light surface ageing consistent with the age of the watch.

 

The stainless-steel case shows scratches, small marks and general signs of previous use. Its characteristic tonneau-shaped profile remains attractive. The case back displays surface scratches, while its reference and serial-number markings remain clearly legible.

 

The crystal has been polished and presents clearly. Some minor residual marks or optical imperfections may remain visible at certain angles.

 

The original stainless-steel bracelet and signed Seiko clasp show scratches and age-related wear. The bracelet accommodates wrists up to approximately 18 cm, including the watch.

 

The calibre 6117B movement was fully serviced in September 2026. All functions are opearting correctly. A 6-month guarantee is provided on functionality.

 

 

The watch has been serviced by our professional watchmaker and tested for full functionality. The water resistance of the watch cannot be guaranteed.