Seiko Cal. 4422 - 428

The Seiko 4422-428 represents an important milestone in Seiko's 1971 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-653402a15b9c]

Also known as: Navigator, Arnie

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1971

Related Models

• Seiko 6169-624
• Seiko 6689-295
• Seiko 5655-567
• Seiko 0720-600
• Seiko 6656-204
• Seiko 5255-881
• Seiko 5639-805
• Seiko 4479-984
• Seiko 6373-785
• Seiko 3889-150
• Seiko 5292-491
• Seiko 5657-855