Seiko Automatic World Time

Ref. 6117-6010 | Late 1960s | Cal. 6117A | Stainless Steel

A classic vintage Seiko World Time, reference 6117-6010, produced in the late 1960s. This model belongs to Seiko’s early mechanical world-timer lineage, built for an era when international travel was becoming mainstream and mechanical functionality mattered.

Powered by the Seiko Calibre 6117A, this automatic movement delivers reliable performance while offering a true world time complication via the rotating inner cities ring and 24-hour scale. It’s a practical travel watch with unmistakable late-60s Seiko design language.

This example is fitted with an aftermarket strap and buckle, keeping it wearable and versatile while preserving the integrity of the head.

Specifications

• Brand: Seiko
• Model: World Time
• Reference: 6117-6010
• Movement: Seiko Cal. 6117A, automatic
• Functions: Hours, minutes, central seconds, date at 3 o’clock, world time city ring
• Case Material: Stainless steel
• Dial: Original silver dial with applied baton indices and rotating world cities ring
• Crystal: Acrylic (period correct)
• Strap: Aftermarket leather strap
• Buckle: Aftermarket

Dimensions

• Case Diameter: Approx. 38 mm (excluding crown)
• Lug Width: Approx. 19 mm
• Style: Vintage travel / world time watch

Condition Report

• Dial: Original dial with visible patina and aging consistent with over five decades of use. The texture and printing remain intact, and the world time cities ring is clear and legible.
• Hands & Indices: Original hands and applied markers with age-appropriate wear; lume has aged naturally.
• Case: Stainless steel case shows honest surface wear and scratches from regular use. Case lines remain strong with no excessive polishing evident.
• Crystal: Acrylic crystal shows light surface marks consistent with age; no major cracks or chips observed.
• Movement: The Seiko 6117A automatic movement runs when worn. As with all vintage mechanical watches, timekeeping may vary and a service is recommended for optimal long-term reliability.
• Strap & Buckle: Aftermarket strap and buckle; not original to the watch.

Historical Significance

The Seiko 6117 World Time series represents one of Seiko’s earliest fully automatic world-time watches. Introduced during the late 1960s, these watches catered to travelers and professionals who needed multi-timezone functionality in a robust, everyday format.

Unlike modern world timers, the 6117 relies on mechanical ingenuity rather than electronics, making it especially appealing to collectors who value functional complications paired with vintage charm. Today, the 6117-6010 is increasingly appreciated for its design, practicality, and role in Seiko’s horological evolution.