Seiko Cal. 3890 - 921

Seiko 3890-921

This Spring Drive model from 1966 features a 38mm Two-Tone case. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-d6ca0493d0ca]

Also known as: Arnie, Flighty

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1966

Related Models

seikata-wm-d6ca0493d0ca