Seiko Cal. 3831 - 106

Seiko 3831-106

This Automatic model from 1971 features a 45mm Gold-Plated case. With its 19mm lug width and 11.3mm profile, it sits comfortably on most wrists. [seikata-wm-4c57a8ec009f]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
11.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Silver
Jewels
33j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1971

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seikata-wm-4c57a8ec009f