Up for sale is my vintage Seiko 6117-6410 Navigator Timer GMT from circa March 1973.

 

Please notice that the triangle at 12 o’clock is missing (as shown in the picture).

Movement:

• Caliber: 6117
• Type: Automatic self-winding with hacking seconds
• Frequency: 21,600 vph
• Jewels: 23
• Power reserve: Approximately 45 hours

Case:

• Material: Stainless steel
• Diameter: 40mm (without crown)
• Thickness: 14mm
• Crystal: Hardlex mineral glass
• Lug width: 20mm

Dial:

• Color: Black or blue
• 24-hour inner bezel: Graduated with 24-hour numerals for GMT function
• Date window: Located at 3 o'clock
• Hands: Luminescent hour and minute hands, red arrow GMT hand, lume-tipped timer hand

Strap:

• Leather strap