Seiko Cal. 4440 - 430

Seiko 4440-430

This Spring Drive model from 1971 features a 46mm Two-Tone case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-304f4aa3f44a]

Also known as: Turtle

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
46mm
Case Thickness
15.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
29j
Frequency
21,600 bph
Power Reserve
38 hours
Year
1971

Related Models

seikata-wm-304f4aa3f44a