Seiko Cal. 3872 - 420

Seiko 3872-420

This Spring Drive model from 1967 features a 35mm Hardlex-Coated Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-2c871f895e82]

Also known as: Baby Tuna, Flighty

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
11.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1967

Related Models

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