Seiko Cal. 7131 - 871

Seiko 7131-871

The 7131-871 is a sought-after Automatic piece from Seiko's golden era. With its 19mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-7153b7c51b3a]

Also known as: Helmet, Flighty

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Green
Jewels
19j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1969

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seikata-wm-7153b7c51b3a