Seiko Cal. 3811 - 304

Seiko 3811-304

This Spring Drive model from 1985 features a 37mm Hardlex-Coated Steel case. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-8e0deb2b83dc]

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
9.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
110m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1985

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seikata-wm-8e0deb2b83dc