Seiko Cal. 3866 - 831

Seiko 3866-831

This Automatic model from 1965 features a 44mm Hardlex-Coated Steel case. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-13d9b94615ac]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
130m
Dial Color
Cream
Jewels
31j
Frequency
36,000 bph
Power Reserve
52 hours
Year
1965

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seikata-wm-13d9b94615ac