Seiko Cal. 7131 - 404

Seiko 7131-404

This Automatic model from 1966 features a 40mm Stainless Steel case. With its 19mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-d8da5473963c]

Specifications

Movement
Automatic
Case Material
Stainless Steel
Case Width
40mm
Case Thickness
15.5mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
40m
Dial Color
Black
Jewels
23j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1966

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