Seiko Cal. 7131 - 666

Seiko 7131-666

The 7131-666 is a sought-after Automatic piece from Seiko's golden era. With its 22mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-c221720562f6]

Also known as: Helmet, Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1968

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seikata-wm-c221720562f6