Seiko Cal. 4420 - 229

Seiko 4420-229

This Automatic model from 1977 features a 39mm Titanium case. With its 18mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-6c5ca3791864]

Also known as: Bullhead

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
39mm
Case Thickness
13.6mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
150m
Dial Color
Champagne
Jewels
29j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1977

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seikata-wm-6c5ca3791864