Seiko Cal. 4420 - 910

Seiko 4420-910

This Automatic model from 1969 features a 36mm Two-Tone case. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-7a3c212b17ec]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
36mm
Case Thickness
11.4mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1969

Related Models

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