Seiko Cal. 4431 - 165

Seiko 4431-165

This Spring Drive model from 1969 features a 43mm Stainless Steel case. With its 19mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-a526865c99e6]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
43mm
Case Thickness
15.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1969

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seikata-wm-a526865c99e6