Seiko Cal. 6390 - 372

Seiko 6390-372

This Spring Drive model from 1979 features a 34mm Two-Tone case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-3b06a17e494e]

Also known as: Monster, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
34mm
Case Thickness
13.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
29j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1979

Related Models

seikata-wm-3b06a17e494e