Seiko Cal. 3811 - 913

Seiko 3811-913

This Hand-Winding model from 1978 features a 36mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-1f9431c409b0]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1978

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